{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,13]],"date-time":"2026-05-13T10:57:59Z","timestamp":1778669879588,"version":"3.51.4"},"reference-count":53,"publisher":"Springer Science and Business Media LLC","issue":"1","license":[{"start":{"date-parts":[[2021,1,1]],"date-time":"2021-01-01T00:00:00Z","timestamp":1609459200000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/www.springer.com\/tdm"},{"start":{"date-parts":[[2021,1,1]],"date-time":"2021-01-01T00:00:00Z","timestamp":1609459200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/www.springer.com\/tdm"}],"funder":[{"DOI":"10.13039\/501100006280","name":"Ministerio de Ciencia y Tecnolog\u00eda","doi-asserted-by":"publisher","award":["ED431G201901"],"award-info":[{"award-number":["ED431G201901"]}],"id":[{"id":"10.13039\/501100006280","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100010198","name":"Ministerio de Econom\u00eda, Industria y Competitividad, Gobierno de Espa\u00f1a","doi-asserted-by":"publisher","award":["ED431C201849"],"award-info":[{"award-number":["ED431C201849"]}],"id":[{"id":"10.13039\/501100010198","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100003176","name":"Ministerio de Educaci\u00f3n, Cultura y Deporte","doi-asserted-by":"publisher","award":["ED431D201716"],"award-info":[{"award-number":["ED431D201716"]}],"id":[{"id":"10.13039\/501100003176","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100008425","name":"Conseller\u00eda de Cultura, Educaci\u00f3n e Ordenaci\u00f3n Universitaria, Xunta de Galicia","doi-asserted-by":"crossref","award":["10TIC105008-PR"],"award-info":[{"award-number":["10TIC105008-PR"]}],"id":[{"id":"10.13039\/501100008425","id-type":"DOI","asserted-by":"crossref"}]},{"DOI":"10.13039\/100007065","name":"Nvidia","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100007065","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Neural Comput &amp; Applic"],"published-print":{"date-parts":[[2021,1]]},"DOI":"10.1007\/s00521-020-05550-x","type":"journal-article","created":{"date-parts":[[2021,1,4]],"date-time":"2021-01-04T15:12:28Z","timestamp":1609773148000},"page":"107-119","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Minimal neural network topology optimization for aesthetic classification"],"prefix":"10.1007","volume":"33","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-2963-7318","authenticated-orcid":false,"given":"Adrian","family":"Carballal","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Francisco","family":"Cedron","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Iria","family":"Santos","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Antonino","family":"Santos","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Juan","family":"Romero","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2021,1,4]]},"reference":[{"issue":"10","key":"5550_CR1","doi-asserted-by":"publisher","first-page":"6562","DOI":"10.1073\/pnas.102102699","volume":"99","author":"C Ambroise","year":"2002","unstructured":"Ambroise C, McLachlan GJ (2002) Selection bias in gene extraction on the basis of microarray gene-expression data. Proc Natl Acad Sci 99(10):6562\u20136566. https:\/\/doi.org\/10.1073\/pnas.102102699","journal-title":"Proc Natl Acad Sci"},{"key":"5550_CR2","volume-title":"Art and visual perception: a psychology of the creative eye","author":"R Arnheim","year":"1954","unstructured":"Arnheim R (1954) Art and visual perception: a psychology of the creative eye. University of California Press, Oakland"},{"key":"5550_CR3","doi-asserted-by":"crossref","DOI":"10.4159\/harvard.9780674734470","volume-title":"Aesthetic measure","author":"GD Birkhoff","year":"1933","unstructured":"Birkhoff GD (1933) Aesthetic measure. Mass, Cambridge"},{"key":"5550_CR4","volume-title":"Neural networks in C++: an object-oriented framework for building connectionist systems","author":"A Blum","year":"1992","unstructured":"Blum A (1992) Neural networks in C++: an object-oriented framework for building connectionist systems. John Wiley and Sons Inc, New York"},{"key":"5550_CR5","doi-asserted-by":"publisher","first-page":"A96","DOI":"10.1051\/0004-6361\/201424194","volume":"576","author":"Y Bu","year":"2015","unstructured":"Bu Y, Zhao G, Luo AL, Pan J, Chen Y (2015) Restricted boltzmann machine: a non-linear substitute for pca in spectral processing. Astron Astrophys 576:A96. https:\/\/doi.org\/10.1051\/0004-6361\/201424194","journal-title":"Astron Astrophys"},{"issue":"6","key":"5550_CR6","doi-asserted-by":"publisher","first-page":"679","DOI":"10.1109\/TPAMI.1986.4767851","volume":"8","author":"J Canny","year":"1986","unstructured":"Canny J (1986) A computational approach to edge detection. IEEE Trans Pattern Anal Mach Intell 8(6):679\u2013698","journal-title":"IEEE Trans Pattern Anal Mach Intell"},{"issue":"2","key":"5550_CR7","doi-asserted-by":"publisher","first-page":"62","DOI":"10.4018\/ijcicg.2014070104","volume":"5","author":"A Carballal","year":"2014","unstructured":"Carballal A, Castro L, Perez R, Correia J (2014) Detecting bias on aesthetic image datasets. Int J Creat Interfaces Comput Gr (IJCICG) 5(2):62\u201374","journal-title":"Int J Creat Interfaces Comput Gr (IJCICG)"},{"key":"5550_CR8","first-page":"1","volume":"32","author":"A Carballal","year":"2019","unstructured":"Carballal A, Fernandez-Lozano C, Heras J, Romero J (2019) Transfer learning features for predicting aesthetics through a novel hybrid machine learning method. Neural Comput Appl 32:1\u201312","journal-title":"Neural Comput Appl"},{"key":"5550_CR9","doi-asserted-by":"crossref","unstructured":"Carballal A, Fernandez-Lozano C, Rodriguez-Fernandez N, Castro L, Santos A (2019) Avoiding the inherent limitations in datasets used for measuring aesthetics when using a machine learning approach. Complexity","DOI":"10.1155\/2019\/4659809"},{"key":"5550_CR10","first-page":"326","volume":"61","author":"MC Chan","year":"2000","unstructured":"Chan MC, Wong CC, Lam CC (2000) Financial time series forecasting by neural network using conjugate gradient learning algorithm and multiple linear regression weight initialization. Comput Econ Finance 61:326\u2013342","journal-title":"Comput Econ Finance"},{"key":"5550_CR11","doi-asserted-by":"crossref","unstructured":"Chang CC, Lin CJ (2011) Libsvm: A library for support vector machines. ACM Trans Intell Syst Technol 2(3) https:\/\/doi.org\/10.1145\/1961189.1961199","DOI":"10.1145\/1961189.1961199"},{"key":"5550_CR12","first-page":"288","volume-title":"Studying aesthetics in photographic images using a computational approach. computer vision-ECCV 2006","author":"R Datta","year":"2006","unstructured":"Datta R, Joshi D, Li J, Wang JZ (2006) Studying aesthetics in photographic images using a computational approach. computer vision-ECCV 2006. Springer, Berlin, pp 288\u2013301"},{"key":"5550_CR13","doi-asserted-by":"crossref","unstructured":"Datta R, Jia Li, Wang JZ (2008) Algorithmic inferencing of aesthetics and emotion in natural images: an exposition. In: 2008 15th IEEE international conference on image processing, pp 105\u2013108","DOI":"10.1109\/ICIP.2008.4711702"},{"key":"5550_CR14","doi-asserted-by":"crossref","unstructured":"Deng J, Dong W, Socher R, Li LJ, Li K, Fei-Fei L (2009) ImageNet: a large-scale hierarchical image database. In: CVPR09","DOI":"10.1109\/CVPR.2009.5206848"},{"issue":"1","key":"5550_CR15","doi-asserted-by":"publisher","first-page":"3","DOI":"10.1016\/j.swevo.2011.02.002","volume":"1","author":"J Derrac","year":"2011","unstructured":"Derrac J, Garc\u00eda S, Molina D, Herrera F (2011) A practical tutorial on the use of nonparametric statistical tests as a methodology for comparing evolutionary and swarm intelligence algorithms. Swarm Evolut Comput 1(1):3\u201318. https:\/\/doi.org\/10.1016\/j.swevo.2011.02.002","journal-title":"Swarm Evolut Comput"},{"key":"5550_CR16","doi-asserted-by":"publisher","first-page":"308","DOI":"10.1016\/j.neucom.2015.05.095","volume":"168","author":"Z Dong","year":"2015","unstructured":"Dong Z, Tian X (2015) Multi-level photo quality assessment with multi-view features. Neurocomputing 168:308\u2013319","journal-title":"Neurocomputing"},{"issue":"1","key":"5550_CR17","doi-asserted-by":"publisher","first-page":"83","DOI":"10.1037\/h0062483","volume":"48","author":"HJ Eysenck","year":"1941","unstructured":"Eysenck HJ (1941) The empirical determination of an aesthetic formula. Psychol Rev 48(1):83","journal-title":"Psychol Rev"},{"key":"5550_CR18","doi-asserted-by":"publisher","first-page":"25111","DOI":"10.1109\/ACCESS.2020.2970836","volume":"8","author":"Y Fan","year":"2020","unstructured":"Fan Y, Xu K, Wu H, Zheng Y, Tao B (2020) Spatiotemporal modeling for nonlinear distributed thermal processes based on kl decomposition, mlp and lstm network. IEEE Access 8:25111\u201325121","journal-title":"IEEE Access"},{"key":"5550_CR19","doi-asserted-by":"publisher","first-page":"e2721","DOI":"10.7717\/peerj.2721","volume":"4","author":"C Fernandez-Lozano","year":"2016","unstructured":"Fernandez-Lozano C, Gestal M, Munteanu CR, Dorado J, Pazos A (2016) A methodology for the design of experiments in computational intelligence with multiple regression models. PeerJ 4:e2721","journal-title":"PeerJ"},{"key":"5550_CR20","doi-asserted-by":"publisher","first-page":"389","DOI":"10.1023\/A:1012487302797","volume":"46","author":"I Guyon","year":"2002","unstructured":"Guyon I, Weston J, Barnhill S, Vapnik V (2002) Gene selection for cancer classification using support vector machines. Mach Learn 46:389\u2013422. https:\/\/doi.org\/10.1023\/A:1012487302797","journal-title":"Mach Learn"},{"key":"5550_CR21","doi-asserted-by":"publisher","DOI":"10.7551\/mitpress\/1090.001.0001","volume-title":"Adaptation in natural and artificial systems: an introductory analysis with applications to biology, control, and artificial intelligence","author":"JH Holland","year":"1992","unstructured":"Holland JH et al (1992) Adaptation in natural and artificial systems: an introductory analysis with applications to biology, control, and artificial intelligence. MIT press, Cambridge"},{"key":"5550_CR22","unstructured":"Jia G, Li P, He R (2019) Theme aware aesthetic distribution prediction with full resolution photos. CoRR abs\/1908.01308, http:\/\/arxiv.org\/abs\/1908.01308, 1908.01308"},{"key":"5550_CR23","doi-asserted-by":"crossref","unstructured":"Kennedy J, Eberhart R (1995) Particle swarm optimization. In: Proceedings of ICNN\u201995-international conference on neural networks, IEEE, vol\u00a04, pp 1942\u20131948","DOI":"10.1109\/ICNN.1995.488968"},{"key":"5550_CR24","unstructured":"Kong S, Shen X, Lin Z, Mech R, Fowlkes CC (2016) Photo aesthetics ranking network with attributes and content adaptation. CoRR abs\/1606.01621, http:\/\/arxiv.org\/abs\/1606.01621, 1606.01621"},{"issue":"6","key":"5550_CR25","doi-asserted-by":"publisher","first-page":"84","DOI":"10.1145\/3065386","volume":"60","author":"A Krizhevsky","year":"2017","unstructured":"Krizhevsky A, Sutskever I, Hinton GE (2017) Imagenet classification with deep convolutional neural networks. Commun ACM 60(6):84\u201390. https:\/\/doi.org\/10.1145\/3065386","journal-title":"Commun ACM"},{"issue":"318","key":"5550_CR26","doi-asserted-by":"publisher","first-page":"399","DOI":"10.1080\/01621459.1967.10482916","volume":"62","author":"HW Lilliefors","year":"1967","unstructured":"Lilliefors HW (1967) On the kolmogorov\u2013smirnov test for normality with mean and variance unknown. J Am Stat Assoc 62(318):399\u2013402","journal-title":"J Am Stat Assoc"},{"issue":"8","key":"5550_CR27","doi-asserted-by":"publisher","first-page":"1176","DOI":"10.1109\/83.605414","volume":"6","author":"SC Liu","year":"1997","unstructured":"Liu SC, Chang S (1997) Dimension estimation of discrete-time fractional Brownian motion with applications to image texture classification. IEEE Trans Image Process 6(8):1176\u20131184","journal-title":"IEEE Trans Image Process"},{"key":"5550_CR28","doi-asserted-by":"publisher","first-page":"219","DOI":"10.1007\/10692710_23","volume-title":"Computing aesthetics. Advances in artificial intelligence","author":"P Machado","year":"1998","unstructured":"Machado P, Cardoso A (1998) Computing aesthetics. Advances in artificial intelligence. Springer, Berlin, pp 219\u2013228"},{"key":"5550_CR29","first-page":"437","volume-title":"Adaptive critics for evolutionary artists. Applications of evolutionary computing","author":"P Machado","year":"2004","unstructured":"Machado P, Romero J, Santos ML, Cardoso A, Manaris B (2004) Adaptive critics for evolutionary artists. Applications of evolutionary computing. Springer, Berlin, pp 437\u2013446"},{"key":"5550_CR30","doi-asserted-by":"publisher","first-page":"381","DOI":"10.1007\/978-3-540-72877-1_18","volume-title":"Experiments in computational aesthetics. The art of artificial evolution","author":"P Machado","year":"2008","unstructured":"Machado P, Romero J, Manaris B (2008) Experiments in computational aesthetics. The art of artificial evolution. Springer, Berlin, pp 381\u2013415"},{"key":"5550_CR31","doi-asserted-by":"publisher","first-page":"43","DOI":"10.1016\/j.actpsy.2015.06.005","volume":"160","author":"P Machado","year":"2015","unstructured":"Machado P, Romero J, Nadal M, Santos A, Correia J, Carballal A (2015) Computerized measures of visual complexity. Acta Psychol 160:43\u201357. https:\/\/doi.org\/10.1016\/j.actpsy.2015.06.005","journal-title":"Acta Psychol"},{"key":"5550_CR32","first-page":"216","volume":"2","author":"JL McClelland","year":"1986","unstructured":"McClelland JL, Rumelhart DE, Group PR et al (1986) Parallel distributed processing. Explor Microstruct Cognit 2:216\u2013271","journal-title":"Explor Microstruct Cognit"},{"key":"5550_CR33","unstructured":"McIntosh A (2016) The jackknife estimation method. arXiv preprint arXiv:160600497"},{"key":"5550_CR34","unstructured":"McKnight PE, Najab J (2010) Mann\u2013whitney $$u$$ test. In: Corsini encyclopedia of psychology. John Wiley & Sons Inc, New York, USA, vol 1, p 1"},{"key":"5550_CR35","volume-title":"Art in human affairs; an introduction to the psychology of art","author":"NC Meier","year":"1942","unstructured":"Meier NC (1942) Art in human affairs; an introduction to the psychology of art. McGraw-Hill, New York"},{"issue":"110","key":"5550_CR36","doi-asserted-by":"publisher","first-page":"194","DOI":"10.1016\/j.forsciint.2020.110194","volume":"311","author":"B Melit Devassy","year":"2020","unstructured":"Melit Devassy B, George S (2020) Dimensionality reduction and visualisation of hyperspectral ink data using t-sne. Forensic Sci Int 311(110):194. https:\/\/doi.org\/10.1016\/j.forsciint.2020.110194","journal-title":"Forensic Sci Int"},{"key":"5550_CR37","first-page":"233","volume":"147","author":"AA Moles","year":"1957","unstructured":"Moles AA (1957) Th\u00e9orie de l\u2019information et perception esth\u00e9tique. Revue Philosophique de la France et de l\u2019\u00c9tranger 147:233\u2013242","journal-title":"Revue Philosophique de la France et de l\u2019\u00c9tranger"},{"key":"5550_CR38","doi-asserted-by":"crossref","unstructured":"Murray N, Marchesotti L, Perronnin F (2012) Ava: A large-scale database for aesthetic visual analysis. In: 2012 IEEE conference on computer vision and pattern recognition, IEEE, pp 2408\u20132415","DOI":"10.1109\/CVPR.2012.6247954"},{"key":"5550_CR39","doi-asserted-by":"publisher","first-page":"974","DOI":"10.1016\/j.csda.2004.06.015","volume":"49","author":"PR Peres-Neto","year":"2005","unstructured":"Peres-Neto PR, Jackson DA, Somers KM (2005) How many principal components? Stopping rules for determining the number of non-trivial axes revisited. Comput Stat Data Anal 49:974\u2013997","journal-title":"Comput Stat Data Anal"},{"key":"5550_CR40","unstructured":"Probst P, Bischl B, Boulesteix AL (2018) Tunability: importance of hyperparameters of machine learning algorithms. 1802.09596"},{"issue":"6","key":"5550_CR41","doi-asserted-by":"publisher","first-page":"386","DOI":"10.1037\/h0042519","volume":"65","author":"F Rosenblatt","year":"1958","unstructured":"Rosenblatt F (1958) The perceptron: a probabilistic model for information storage and organization in the brain. Psychol Rev 65(6):386\u2013408","journal-title":"Psychol Rev"},{"issue":"2","key":"5550_CR42","doi-asserted-by":"publisher","first-page":"185","DOI":"10.3390\/rs11020185","volume":"11","author":"CA Ramezan","year":"2019","unstructured":"Ramezan CA, Warner TA, Maxwell AE (2019) Evaluation of sampling and cross-validation tuning strategies for regional-scale machine learning classification. Remote Sens 11(2):185","journal-title":"Remote Sens"},{"key":"5550_CR43","volume-title":"Artificial intelligence: a modern approach","author":"S Russell","year":"2009","unstructured":"Russell S, Norvig P (2009) Artificial intelligence: a modern approach, 3rd edn. Prentice Hall Press, New Jersey","edition":"3"},{"key":"5550_CR44","unstructured":"Saunders R, Gero JS (2001) Artificial creativity: a synthetic approach to the study of creative behaviour. Computational and Cognitive Models of Creative Design V, Key Centre of Design Computing and Cognition, University of Sydney, Sydney pp 113\u2013139"},{"key":"5550_CR45","doi-asserted-by":"publisher","first-page":"164650","DOI":"10.1109\/ACCESS.2019.2951750","volume":"7","author":"S Shamshirband","year":"2019","unstructured":"Shamshirband S, Rabczuk T, Chau K (2019) A survey of deep learning techniques: application in wind and solar energy resources. IEEE Access 7:164650\u2013164666","journal-title":"IEEE Access"},{"key":"5550_CR46","first-page":"376","volume-title":"Machine vision for three-dimensional scenes","author":"I Sobel","year":"1990","unstructured":"Sobel I (1990) An isotropic 3x3 image gradient operator. In: Freeman H (ed) Machine vision for three-dimensional scenes. Academic Press, London, pp 376\u2013379"},{"key":"5550_CR47","first-page":"447","volume-title":"Automated aesthetic selection of evolutionary art by distance based classification of genomes and phenomes using the universal similarity metric. Applications of evolutionary computing","author":"N Svang\u00e5rd","year":"2004","unstructured":"Svang\u00e5rd N, Nordin P (2004) Automated aesthetic selection of evolutionary art by distance based classification of genomes and phenomes using the universal similarity metric. Applications of evolutionary computing. Springer, Berlin, pp 447\u2013456"},{"key":"5550_CR48","unstructured":"Szegedy C, Vanhoucke V, Ioffe S, Shlens J, Wojna Z (2015) Rethinking the inception architecture for computer vision. CoRR abs\/1512.00567, http:\/\/arxiv.org\/abs\/1512.00567, 1512.00567"},{"issue":"6735","key":"5550_CR49","doi-asserted-by":"publisher","first-page":"422","DOI":"10.1038\/20833","volume":"399","author":"RP Taylor","year":"1999","unstructured":"Taylor RP, Micolich AP, Jonas D (1999) Fractal analysis of pollock\u2019s drip paintings. Nature 399(6735):422","journal-title":"Nature"},{"issue":"113","key":"5550_CR50","doi-asserted-by":"publisher","first-page":"216","DOI":"10.1016\/j.eswa.2020.113216","volume":"150","author":"WC Wang","year":"2020","unstructured":"Wang WC, Xu L, Chau KW, Xu DM (2020) Yin-yang firefly algorithm based on dimensionally cauchy mutation. Expert Syst Appl 150(113):216. https:\/\/doi.org\/10.1016\/j.eswa.2020.113216","journal-title":"Expert Syst Appl"},{"issue":"2","key":"5550_CR51","doi-asserted-by":"publisher","first-page":"270","DOI":"10.1162\/neco.1989.1.2.270","volume":"1","author":"RJ Williams","year":"1989","unstructured":"Williams RJ, Zipser D (1989) A learning algorithm for continually running fully recurrent neural networks. Neural Comput 1(2):270\u2013280","journal-title":"Neural Comput"},{"key":"5550_CR52","doi-asserted-by":"crossref","unstructured":"Yan K, Xiaoou T, Feng J (2006) The design of high-level features for photo quality assessment. In: 2006 IEEE computer society conference on computer vision and pattern recognition (CVPR\u201906), vol\u00a01, pp 419\u2013426","DOI":"10.1109\/CVPR.2006.303"},{"key":"5550_CR53","volume-title":"Human behavior and the principle of least effort","author":"GK Zipf","year":"1949","unstructured":"Zipf GK (1949) Human behavior and the principle of least effort. Addison-Wesley Press, Boston"}],"container-title":["Neural Computing and Applications"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/link.springer.com\/content\/pdf\/10.1007\/s00521-020-05550-x.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/link.springer.com\/article\/10.1007\/s00521-020-05550-x\/fulltext.html","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/link.springer.com\/content\/pdf\/10.1007\/s00521-020-05550-x.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2021,4,18]],"date-time":"2021-04-18T17:48:33Z","timestamp":1618768113000},"score":1,"resource":{"primary":{"URL":"http:\/\/link.springer.com\/10.1007\/s00521-020-05550-x"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2021,1]]},"references-count":53,"journal-issue":{"issue":"1","published-print":{"date-parts":[[2021,1]]}},"alternative-id":["5550"],"URL":"https:\/\/doi.org\/10.1007\/s00521-020-05550-x","relation":{},"ISSN":["0941-0643","1433-3058"],"issn-type":[{"value":"0941-0643","type":"print"},{"value":"1433-3058","type":"electronic"}],"subject":[],"published":{"date-parts":[[2021,1]]},"assertion":[{"value":"5 May 2020","order":1,"name":"received","label":"Received","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"18 November 2020","order":2,"name":"accepted","label":"Accepted","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"4 January 2021","order":3,"name":"first_online","label":"First Online","group":{"name":"ArticleHistory","label":"Article History"}},{"order":1,"name":"Ethics","group":{"name":"EthicsHeading","label":"Compliance with ethical standards"}},{"value":"The authors declare that they have no conflict of interest.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Conflict of interest"}}]}}