{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,17]],"date-time":"2026-08-17T15:25:06Z","timestamp":1786980306278,"version":"build-2736575974"},"reference-count":48,"publisher":"Springer Science and Business Media LLC","issue":"7","license":[{"start":{"date-parts":[[2021,6,17]],"date-time":"2021-06-17T00:00:00Z","timestamp":1623888000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.springernature.com\/gp\/researchers\/text-and-data-mining"},{"start":{"date-parts":[[2021,6,17]],"date-time":"2021-06-17T00:00:00Z","timestamp":1623888000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.springernature.com\/gp\/researchers\/text-and-data-mining"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Neural Comput &amp; Applic"],"published-print":{"date-parts":[[2023,3]]},"DOI":"10.1007\/s00521-021-06152-x","type":"journal-article","created":{"date-parts":[[2021,6,17]],"date-time":"2021-06-17T16:02:15Z","timestamp":1623945735000},"page":"5055-5080","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":32,"title":["Machine learning and smart card based two-factor authentication scheme for preserving anonymity in telecare medical information system (TMIS)"],"prefix":"10.1007","volume":"35","author":[{"given":"B. B.","family":"Gupta","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Varun","family":"Prajapati","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nadia","family":"Nedjah","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"P.","family":"Vijayakumar","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ahmed A. Abd","family":"El-Latif","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiaojun","family":"Chang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2021,6,17]]},"reference":[{"key":"6152_CR1","doi-asserted-by":"publisher","first-page":"800","DOI":"10.1016\/j.future.2018.01.031","volume":"92","author":"T Bai","year":"2019","unstructured":"Bai T, Lin J, Li G, Wang H, Ran P, Li Z, Li D, Pang Y, Wu W, Jeon G (2019) A lightweight method of data encryption in BANsusing electrocardiogram signal. Futur Gener Comput Syst 92:800\u2013811","journal-title":"Futur Gener Comput Syst"},{"key":"6152_CR2","doi-asserted-by":"publisher","first-page":"13","DOI":"10.1007\/978-3-319-49736-5_2","volume-title":"Internet of things and big data technologies for next generation HealthCare","author":"Y Bhatt","year":"2017","unstructured":"Bhatt Y, Bhatt C (2017) Internet of things in healthcare. In: Internet of things and big data technologies for next generation HealthCare. Springer, Cham, pp 13\u201333"},{"key":"6152_CR3","doi-asserted-by":"publisher","first-page":"117","DOI":"10.1016\/j.jnca.2018.01.003","volume":"106","author":"J Shen","year":"2018","unstructured":"Shen J, Gui Z, Ji S, Shen J, Tan H, Tang Y (2018) Cloud-aided lightweight certificateless authentication protocol with anonymity for wireless body area networks. J Netw Comput Appl 106:117\u2013123","journal-title":"J Netw Comput Appl"},{"key":"6152_CR4","doi-asserted-by":"crossref","unstructured":"Wang J, Han K, Alexandridis A, Zilic Z, Pang Y, Lin J (2018) An ASIC implementation of security scheme for body area networks. In: 2018 IEEE international symposium on circuits and systems (ISCAS), pp 1\u20135","DOI":"10.1109\/ISCAS.2018.8351098"},{"key":"6152_CR5","doi-asserted-by":"publisher","first-page":"74","DOI":"10.1016\/j.comnet.2018.07.005","volume":"143","author":"J Wang","year":"2018","unstructured":"Wang J, Han K, Alexandridis A, Zilic Z, Pang Y, Wu W, Din S, Jeon G (2018) A novel security scheme for Body Area Networks compatible with smart vehicles. Comput Netw 143:74\u201381","journal-title":"Comput Netw"},{"issue":"4","key":"6152_CR6","doi-asserted-by":"publisher","first-page":"1299","DOI":"10.1109\/JBHI.2017.2721545","volume":"22","author":"M Wazid","year":"2018","unstructured":"Wazid M, Das AK, Kumar N, Conti M, Vasilakos AV (2018) A novel authentication and key agreement scheme for implantable medical devices deployment. IEEE J Biomed Health Inform 22(4):1299\u20131309","journal-title":"IEEE J Biomed Health Inform"},{"issue":"3","key":"6152_CR7","doi-asserted-by":"publisher","first-page":"33","DOI":"10.1007\/s10916-015-0217-3","volume":"39","author":"R Amin","year":"2015","unstructured":"Amin R, Biswas GP (2015) A novel user authentication and key agreement protocol for accessing multi-medical server usable in tmis. J Med Syst 39(3):33","journal-title":"J Med Syst"},{"issue":"11","key":"6152_CR8","doi-asserted-by":"publisher","first-page":"219","DOI":"10.1007\/s10916-018-1047-x","volume":"42","author":"D Xu","year":"2018","unstructured":"Xu D, Chen J, Zhang S, Liu Q (2018) Privacy-preserving and efficient truly three-factor authentication scheme for telecare medical information systems. J Med Syst 42(11):219","journal-title":"J Med Syst"},{"issue":"11","key":"6152_CR9","doi-asserted-by":"publisher","first-page":"140","DOI":"10.1007\/s10916-015-0318-z","volume":"39","author":"R Amin","year":"2015","unstructured":"Amin R, Islam SH, Biswas GP, Khan MK, Li X (2015) Cryptanalysis and enhancement of anonymity preserving remote user mutual authentication and session key agreement scheme for e-health care systems. J Med Syst 39(11):140","journal-title":"J Med Syst"},{"issue":"6","key":"6152_CR10","doi-asserted-by":"publisher","first-page":"1433","DOI":"10.1016\/j.cnsns.2012.09.032","volume":"18","author":"C Guo","year":"2013","unstructured":"Guo C, Chang C-C (2013) Chaotic maps-based password-authenticated key agreement using smart cards. Commun Nonlinear Sci Numer Simul 18(6):1433\u20131440","journal-title":"Commun Nonlinear Sci Numer Simul"},{"issue":"2","key":"6152_CR11","doi-asserted-by":"publisher","first-page":"9919","DOI":"10.1007\/s10916-012-9919-y","volume":"37","author":"X Hao","year":"2013","unstructured":"Hao X, Wang J, Yang Q, Yan X, Li P (2013) A chaotic map-based authentication scheme for telecare medicine information systems. J Med Syst 37(2):9919. https:\/\/doi.org\/10.1007\/s10916-012-9919-y","journal-title":"J Med Syst"},{"issue":"2","key":"6152_CR12","doi-asserted-by":"publisher","first-page":"12","DOI":"10.1007\/s10916-014-0012-6","volume":"38","author":"Q Jiang","year":"2014","unstructured":"Jiang Q, Ma J, Lu X, Tian Y (2014) Robust chaotic map-based authentication and key agreement scheme with strong anonymity for telecare medicine information systems. J Med Syst 38(2):12","journal-title":"J Med Syst"},{"issue":"5","key":"6152_CR13","doi-asserted-by":"publisher","first-page":"9973","DOI":"10.1007\/s10916-013-9973-0","volume":"37","author":"C-C Lee","year":"2013","unstructured":"Lee C-C, Hsu C-W, Lai Y-M, Vasilakos A (2013) An enhanced mobile-healthcare emergency system based on extended chaotic maps. J Med Syst 37(5):9973","journal-title":"J Med Syst"},{"issue":"6","key":"6152_CR14","doi-asserted-by":"publisher","first-page":"9985","DOI":"10.1007\/s10916-013-9985-9","volume":"37","author":"T-F Lee","year":"2013","unstructured":"Lee T-F (2013) An efficient chaotic maps-based authentication and key agreement scheme using smartcards for telecare medicine information systems. J Med Syst 37(6):9985","journal-title":"J Med Syst"},{"issue":"9","key":"6152_CR15","doi-asserted-by":"publisher","first-page":"77","DOI":"10.1007\/s10916-014-0077-2","volume":"38","author":"C-T Li","year":"2014","unstructured":"Li C-T, Lee C-C, Weng C-Y (2014) A secure chaotic maps and smart cards based password authentication and key agreement scheme with user anonymity for telecare medicine information systems. J Med Syst 38(9):77","journal-title":"J Med Syst"},{"issue":"3","key":"6152_CR16","doi-asserted-by":"publisher","first-page":"9948","DOI":"10.1007\/s10916-013-9948-1","volume":"37","author":"AK Das","year":"2013","unstructured":"Das AK, Goswami A (2013) A secure and efficient uniqueness-and- anonymity-preserving remote user authentication scheme for connected health care. J Med Syst 37(3):9948","journal-title":"J Med Syst"},{"issue":"1","key":"6152_CR17","doi-asserted-by":"publisher","first-page":"9897","DOI":"10.1007\/s10916-012-9897-0","volume":"37","author":"Q Jiang","year":"2013","unstructured":"Jiang Q, Ma J, Ma Z, Li G (2013) A privacy enhanced authentication scheme for telecare medical information systems. J Med Syst 37(1):9897","journal-title":"J Med Syst"},{"issue":"2","key":"6152_CR18","doi-asserted-by":"publisher","first-page":"763","DOI":"10.1016\/j.jnca.2011.11.009","volume":"35","author":"X Li","year":"2012","unstructured":"Li X, Xiong Y, Ma J, Wang W (2012) An efficient and securitydynamic identity based authentication protocol for multi-server architecture using smart cards. J Netw Comput Appl 35(2):763\u2013769","journal-title":"J Netw Comput Appl"},{"issue":"1","key":"6152_CR19","doi-asserted-by":"publisher","first-page":"195","DOI":"10.1016\/j.jcss.2013.07.004","volume":"80","author":"K Xue","year":"2014","unstructured":"Xue K, Hong P, Ma C (2014) A lightweight dynamic pseudonym identity based authentication and key agreement protocol without verification tables for multi-server architecture. J Comput Syst Sci 80(1):195\u2013206","journal-title":"J Comput Syst Sci"},{"issue":"6","key":"6152_CR20","doi-asserted-by":"publisher","first-page":"3597","DOI":"10.1007\/s10916-012-9835-1","volume":"36","author":"J Wei","year":"2012","unstructured":"Wei J, Hu X, Liu W (2012) An improved authentication scheme for telecare medicine information systems. J Med Syst 36(6):3597\u20133604","journal-title":"J Med Syst"},{"key":"6152_CR21","doi-asserted-by":"crossref","unstructured":"Kocher P, Jaffe J, Jun B (1999) Differential power analysis. In: Annual international cryptology conference, pp 388\u2013397","DOI":"10.1007\/3-540-48405-1_25"},{"issue":"5","key":"6152_CR22","doi-asserted-by":"publisher","first-page":"541","DOI":"10.1109\/TC.2002.1004593","volume":"51","author":"TS Messerges","year":"2002","unstructured":"Messerges TS, Dabbish EA, Sloan RH (2002) Examiningsmart-card security under the threat of power analysis attacks. IEEE Trans Comput 51(5):541\u2013552","journal-title":"IEEE Trans Comput"},{"issue":"2","key":"6152_CR23","doi-asserted-by":"publisher","first-page":"9902","DOI":"10.1007\/s10916-012-9902-7","volume":"37","author":"Y-F Chang","year":"2013","unstructured":"Chang Y-F, Yu S-H, Shiao D-R (2013) A uniqueness-and-anonymity-preserving remote user authentication scheme for connected health care. J Med Syst 37(2):9902. https:\/\/doi.org\/10.1007\/s10916-012-9902-7","journal-title":"J Med Syst"},{"issue":"1","key":"6152_CR24","doi-asserted-by":"publisher","first-page":"1850006","DOI":"10.1142\/S0219467818500067","volume":"18","author":"B Choudhury","year":"2018","unstructured":"Choudhury B, Then P, Issac B, Raman V, Haldar MK (2018) A survey on biometrics and cancelable biometrics systems. Int J Image Graph 18(1):1850006","journal-title":"Int J Image Graph"},{"issue":"10","key":"6152_CR25","doi-asserted-by":"publisher","first-page":"3826","DOI":"10.1007\/s11227-015-1610-x","volume":"72","author":"Q Jiang","year":"2016","unstructured":"Jiang Q, Khan MK, Lu X, Ma J, He D (2016) A privacy preserving three-factor authentication protocol for e-Health clouds. J Supercomput 72(10):3826\u20133849","journal-title":"J Supercomput"},{"key":"6152_CR26","doi-asserted-by":"publisher","first-page":"274","DOI":"10.1016\/j.compeleceng.2015.02.015","volume":"45","author":"F Wu","year":"2015","unstructured":"Wu F, Xu L, Kumari S, Li X (2015) A novel and provably secure biometrics-based three-factor remote authentication scheme for mobile client-server networks. Comput Electr Eng 45:274\u2013285","journal-title":"Comput Electr Eng"},{"issue":"5","key":"6152_CR27","doi-asserted-by":"publisher","first-page":"5503","DOI":"10.1007\/s11042-017-4464-9","volume":"77","author":"SA Chaudhry","year":"2018","unstructured":"Chaudhry SA, Naqvi H, Khan MK (2018) An enhanced lightweight anonymous biometric based authentication scheme for TMIS. Multimed Tools Appl 77(5):5503\u20135524","journal-title":"Multimed Tools Appl"},{"issue":"4","key":"6152_CR28","doi-asserted-by":"publisher","first-page":"2439","DOI":"10.1007\/s11277-015-2538-4","volume":"83","author":"O Mir","year":"2015","unstructured":"Mir O, Nikooghadam M (2015) A secure biometrics based authentication with key agreement scheme in telemedicine networks for e-health services. Wirel Pers Commun 83(4):2439\u20132461","journal-title":"Wirel Pers Commun"},{"issue":"4","key":"6152_CR29","doi-asserted-by":"publisher","first-page":"1061","DOI":"10.1007\/s12652-017-0516-2","volume":"9","author":"Q Jiang","year":"2018","unstructured":"Jiang Q, Chen Z, Li B, Shen J, Yang L, Ma J (2018) Security analysis and improvement of bio-hashing based three-factor authentication scheme for telecare medical information systems. J Ambient Intell Hum Comput 9(4):1061\u20131073","journal-title":"J Ambient Intell Hum Comput"},{"issue":"3","key":"6152_CR30","doi-asserted-by":"publisher","first-page":"145","DOI":"10.1049\/iet-ifs.2010.0125","volume":"5","author":"AK Das","year":"2011","unstructured":"Das AK (2011) Analysisandimprovementonanefficientbiometric-based remote user authentication scheme using smart cards. IET Inf Secur 5(3):145\u2013151","journal-title":"IET Inf Secur"},{"issue":"11","key":"6152_CR31","first-page":"1","volume":"78","author":"R Madhusudhan","year":"2018","unstructured":"Madhusudhan R, Nayak CS (2018) A robust authentication scheme for telecare medical information systems. Multimed Tools Appl 78(11):1\u201319","journal-title":"Multimed Tools Appl"},{"issue":"11","key":"6152_CR32","doi-asserted-by":"publisher","first-page":"233","DOI":"10.1007\/s10916-016-0586-2","volume":"40","author":"C-T Li","year":"2016","unstructured":"Li C-T, Lee C-C, Weng C-Y, Chen S-J (2016) A secure dynamic identity and chaotic maps based user authentication and key agreement scheme for e-healthcare systems. J Med Syst 40(11):233","journal-title":"J Med Syst"},{"key":"6152_CR33","unstructured":"The AVISPA Project, Avispa-project.org. [Online] Available: http:\/\/www.avispa-project.org\/. Accessed 10 June 2021"},{"issue":"7","key":"6152_CR34","first-page":"e4993","volume":"33","author":"BB Gupta","year":"2018","unstructured":"Gupta BB, Quamara M (2018) A taxonomy of various attacks on smart card-based applications and countermeasures. Concurr Comput: Pract Exp 33(7):e4993","journal-title":"Concurr Comput: Pract Exp"},{"issue":"20","key":"6152_CR35","doi-asserted-by":"publisher","first-page":"5735","DOI":"10.3390\/s20205735","volume":"20","author":"X Yin","year":"2020","unstructured":"Yin X, He J, Guo Y, Han D, Li KC, Castiglione A (2020) An efficient two-factor authentication scheme based on the Merkle tree. Sensors 20(20):5735","journal-title":"Sensors"},{"key":"6152_CR36","doi-asserted-by":"crossref","unstructured":"Castiglione A, DAmbrosio C, De Santis A, Castiglione A, Palmieri F (2013). On secure data management in health-care environment. In: 2013 7th international conference on innovative mobile and internet services in ubiquitous computing. IEEE, pp 666\u2013671","DOI":"10.1109\/IMIS.2013.120"},{"key":"6152_CR37","doi-asserted-by":"publisher","DOI":"10.1109\/JIOT.2020.3047662","author":"M Masud","year":"2020","unstructured":"Masud M, Gaba GS, Alqahtani S, Gupta BB et al (2020) A lightweight and robust secure key establishment protocol for internet of medical things in COVID-19 patients care. IEEE Internet Things J. https:\/\/doi.org\/10.1109\/JIOT.2020.3047662","journal-title":"IEEE Internet Things J"},{"issue":"1s","key":"6152_CR38","doi-asserted-by":"publisher","first-page":"1","DOI":"10.1145\/3421725","volume":"17","author":"MA Rahman","year":"2021","unstructured":"Rahman MA, Hossain MS, Alrajeh NA et al (2021) A multimodal, multimedia point-of-care deep learning framework for COVID-19 diagnosis. ACM Trans Multimid Comput Commun Appl 17(1s):1\u201324","journal-title":"ACM Trans Multimid Comput Commun Appl"},{"key":"6152_CR39","doi-asserted-by":"publisher","DOI":"10.1109\/JAS.2021.1004003","author":"BB Gupta","year":"2021","unstructured":"Gupta BB, Li KC, Leung VC, Psannis KE, Yamaguchi S (2021) Blockchain-assisted secure fine-grained searchable encryption for a cloud-based healthcare cyber-physical system. IEEE\/CAA J Autom Sin. https:\/\/doi.org\/10.1109\/JAS.2021.1004003","journal-title":"IEEE\/CAA J Autom Sin"},{"issue":"4","key":"6152_CR40","doi-asserted-by":"publisher","first-page":"4585","DOI":"10.1007\/s11042-017-4637-6","volume":"77","author":"C Yu","year":"2018","unstructured":"Yu C, Li J, Li X, Ren X et al (2018) Four-image encryption scheme based on quaternion Fresnel transform, chaos and computer generated hologram. Multimed Tools Appl 77(4):4585\u20134608","journal-title":"Multimed Tools Appl"},{"issue":"2","key":"6152_CR41","doi-asserted-by":"publisher","first-page":"102468","DOI":"10.1016\/j.ipm.2020.102468","volume":"58","author":"C Esposito","year":"2021","unstructured":"Esposito C, Ficco M, Gupta BB (2021) Blockchain-based authentication and authorization for smart city applications. Inf Process Manag 58(2):102468","journal-title":"Inf Process Manag"},{"key":"6152_CR42","doi-asserted-by":"publisher","DOI":"10.1007\/s00521-020-05410-8","author":"A Sedik","year":"2021","unstructured":"Sedik A, Hammad M, Abd El-Samie FE, Abd El-Latif AA et al (2021) Efficient deep learning approach for augmented detection of Coronavirus disease. Neural Comput Appl. https:\/\/doi.org\/10.1007\/s00521-020-05410-8","journal-title":"Neural Comput Appl"},{"issue":"23","key":"6152_CR43","doi-asserted-by":"publisher","first-page":"6891","DOI":"10.1016\/j.ijleo.2014.07.027","volume":"125","author":"J Peng","year":"2014","unstructured":"Peng J, Abd El-Latif AA, Li Q, Niu X (2014) Multimodal biometric authentication based on score level fusion of finger biometrics. Optik 125(23):6891\u20136897","journal-title":"Optik"},{"issue":"3","key":"6152_CR44","first-page":"1","volume":"11","author":"RK Dwivedi","year":"2021","unstructured":"Dwivedi RK, Kumar R, Buyya R (2021) Secure healthcare monitoring sensor cloud with attribute-based elliptical curve cryptography. Int J Cloud Appl Comput (IJCAC) 11(3):1\u201318","journal-title":"Int J Cloud Appl Comput (IJCAC)"},{"issue":"2","key":"6152_CR45","doi-asserted-by":"publisher","first-page":"50","DOI":"10.4018\/IJSSCI.2018040104","volume":"10","author":"A Kavitha","year":"2018","unstructured":"Kavitha A (2018) Investigations on the brain connectivity parameters for co-morbidities of autism using EEG. Int J Softw Sci Comput Intell (IJSSCI) 10(2):50\u201365","journal-title":"Int J Softw Sci Comput Intell (IJSSCI)"},{"key":"6152_CR46","doi-asserted-by":"publisher","first-page":"64","DOI":"10.1016\/j.patrec.2018.08.010","volume":"130","author":"H Wang","year":"2020","unstructured":"Wang H, Li Z, Li Y et al (2020) Visual saliency guided complex image retrieval. Pattern Recogn Lett 130:64\u201372","journal-title":"Pattern Recogn Lett"},{"issue":"3","key":"6152_CR47","first-page":"33","volume":"7","author":"N Wang","year":"2013","unstructured":"Wang N, Li Q, Abd El-Latif AA, Peng J, Niu X (2013) Multibiometrics fusion for identity authentication: dual iris, visible and thermal face imagery. Int J Secur Appl 7(3):33\u201344","journal-title":"Int J Secur Appl"},{"issue":"11","key":"6152_CR48","doi-asserted-by":"publisher","first-page":"3108","DOI":"10.3390\/s20113108","volume":"20","author":"B Abd-El-Atty","year":"2020","unstructured":"Abd-El-Atty B, Iliyasu AM, Alaskar H, El-Latif A, Ahmed A (2020) A robust quasi-quantum walks-based steganography protocol for secure transmission of images on cloud-based E-healthcare platforms. Sensors 20(11):3108","journal-title":"Sensors"}],"container-title":["Neural Computing and Applications"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s00521-021-06152-x.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/article\/10.1007\/s00521-021-06152-x\/fulltext.html","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s00521-021-06152-x.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2023,2,10]],"date-time":"2023-02-10T10:05:56Z","timestamp":1676023556000},"score":1,"resource":{"primary":{"URL":"https:\/\/link.springer.com\/10.1007\/s00521-021-06152-x"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2021,6,17]]},"references-count":48,"journal-issue":{"issue":"7","published-print":{"date-parts":[[2023,3]]}},"alternative-id":["6152"],"URL":"https:\/\/doi.org\/10.1007\/s00521-021-06152-x","relation":{},"ISSN":["0941-0643","1433-3058"],"issn-type":[{"value":"0941-0643","type":"print"},{"value":"1433-3058","type":"electronic"}],"subject":[],"published":{"date-parts":[[2021,6,17]]},"assertion":[{"value":"27 March 2021","order":1,"name":"received","label":"Received","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"24 May 2021","order":2,"name":"accepted","label":"Accepted","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"17 June 2021","order":3,"name":"first_online","label":"First Online","group":{"name":"ArticleHistory","label":"Article History"}},{"order":1,"name":"Ethics","group":{"name":"EthicsHeading","label":"Declarations"}},{"value":"The authors declare that they have no conflict of interest.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Conflict of interest"}}]}}