{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,20]],"date-time":"2026-09-20T02:46:15Z","timestamp":1789872375968,"version":"4.0.1"},"reference-count":38,"publisher":"Springer Science and Business Media LLC","issue":"11","license":[{"start":{"date-parts":[[2020,6,18]],"date-time":"2020-06-18T00:00:00Z","timestamp":1592438400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.springer.com\/tdm"},{"start":{"date-parts":[[2020,6,18]],"date-time":"2020-06-18T00:00:00Z","timestamp":1592438400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.springer.com\/tdm"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Int Ophthalmol"],"published-print":{"date-parts":[[2020,11]]},"DOI":"10.1007\/s10792-020-01464-8","type":"journal-article","created":{"date-parts":[[2020,6,18]],"date-time":"2020-06-18T08:02:41Z","timestamp":1592467361000},"page":"2807-2816","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":14,"title":["Posterior pole retinal thickness distribution pattern in keratoconus"],"prefix":"10.1007","volume":"40","author":[{"given":"Ali Mahdavi","family":"Fard","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sangita P.","family":"Patel","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Raana Daei","family":"Sorkhabi","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sara","family":"Salekzamani","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Elena","family":"Pezzino","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5744-7319","authenticated-orcid":false,"given":"Nader D.","family":"Nader","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2020,6,18]]},"reference":[{"key":"1464_CR1","doi-asserted-by":"publisher","first-page":"832863","DOI":"10.1155\/2015\/832863","volume":"2015","author":"RL Brautaset","year":"2015","unstructured":"Brautaset RL, Rosen R, Cervino A, Miller WL, Bergmanson J, Nilsson M (2015) Comparison of macular thickness in patients with keratoconus and control subjects using the cirrus HD-OCT. Biomed Res Int 2015:832863. https:\/\/doi.org\/10.1155\/2015\/832863","journal-title":"Biomed Res Int"},{"issue":"3","key":"1464_CR2","doi-asserted-by":"publisher","first-page":"15","DOI":"10.1167\/tvst.7.3.15","volume":"7","author":"R Gutierrez-Bonet","year":"2018","unstructured":"Gutierrez-Bonet R, Ruiz-Medrano J, Pena-Garcia P, Catanese M, Sadeghi Y, Hashemi K, Gabison E, Ruiz-Moreno JM (2018) Macular choroidal thickening in keratoconus patients: swept-source optical coherence tomography study. Transl Vis Sci Technol 7(3):15. https:\/\/doi.org\/10.1167\/tvst.7.3.15","journal-title":"Transl Vis Sci Technol"},{"key":"1464_CR3","doi-asserted-by":"publisher","first-page":"245953","DOI":"10.1155\/2015\/245953","volume":"2015","author":"S Sahebjada","year":"2015","unstructured":"Sahebjada S, Amirul Islam FM, Wickremasinghe S, Daniell M, Baird PN (2015) Assessment of macular parameter changes in patients with keratoconus using optical coherence tomography. J Ophthalmol 2015:245953. https:\/\/doi.org\/10.1155\/2015\/245953","journal-title":"J Ophthalmol"},{"key":"1464_CR4","doi-asserted-by":"publisher","DOI":"10.1111\/aos.13961","author":"S Bak-Nielsen","year":"2018","unstructured":"Bak-Nielsen S, Ramlau-Hansen CH, Ivarsen A, Plana-Ripoll O, Hjortdal J (2018) A nationwide population-based study of social demographic factors, associated diseases and mortality of keratoconus patients in Denmark from 1977 to 2015. Acta Ophthalmol. https:\/\/doi.org\/10.1111\/aos.13961","journal-title":"Acta Ophthalmol"},{"issue":"6","key":"1464_CR5","doi-asserted-by":"publisher","first-page":"691","DOI":"10.1001\/archophthalmol.2011.7","volume":"129","author":"TL Kelly","year":"2011","unstructured":"Kelly TL, Williams KA, Coster DJ, Australian Corneal Graft R (2011) Corneal transplantation for keratoconus: a registry study. Arch Ophthalmol 129(6):691\u2013697. https:\/\/doi.org\/10.1001\/archophthalmol.2011.7","journal-title":"Arch Ophthalmol"},{"issue":"12","key":"1464_CR6","doi-asserted-by":"publisher","first-page":"e38","DOI":"10.1097\/ICO.0000000000000623","volume":"34","author":"JA Gomes","year":"2015","unstructured":"Gomes JA, Rapuano CJ, Belin MW, Ambrosio R Jr, Group of Panelists for the Global Delphi Panel of K, Ectatic D (2015) Global consensus on keratoconus diagnosis. Cornea 34(12):e38\u201339. https:\/\/doi.org\/10.1097\/ICO.0000000000000623","journal-title":"Cornea"},{"key":"1464_CR7","doi-asserted-by":"publisher","first-page":"402193","DOI":"10.1155\/2014\/402193","volume":"2014","author":"E Kalkan Akcay","year":"2014","unstructured":"Kalkan Akcay E, Akcay M, Uysal BS, Kosekahya P, Aslan AN, Caglayan M, Koseoglu C, Yulek F, Cagil N (2014) Impaired corneal biomechanical properties and the prevalence of keratoconus in mitral valve prolapse. J Ophthalmol 2014:402193. https:\/\/doi.org\/10.1155\/2014\/402193","journal-title":"J Ophthalmol"},{"issue":"3","key":"1464_CR8","doi-asserted-by":"publisher","first-page":"457","DOI":"10.1016\/j.ophtha.2015.10.035","volume":"123","author":"MA Woodward","year":"2016","unstructured":"Woodward MA, Blachley TS, Stein JD (2016) The association between sociodemographic factors, common systemic diseases, and keratoconus: an analysis of a nationwide heath care claims database. Ophthalmology 123(3):457\u2013465. https:\/\/doi.org\/10.1016\/j.ophtha.2015.10.035","journal-title":"Ophthalmology"},{"issue":"18","key":"1464_CR9","doi-asserted-by":"publisher","first-page":"571","DOI":"10.5694\/j.1326-5377.1975.tb111590.x","volume":"1","author":"I Robertson","year":"1975","unstructured":"Robertson I (1975) Keratoconus and the ehlers-danlos syndrome: a new aspect of keratoconus. Med J Aust 1(18):571\u2013573","journal-title":"Med J Aust"},{"key":"1464_CR10","doi-asserted-by":"publisher","first-page":"58","DOI":"10.1186\/1752-1947-4-58","volume":"4","author":"JY Oh","year":"2010","unstructured":"Oh JY, Yu HG (2010) Keratoconus associated with choroidal neovascularization: a case report. J Med Case Rep 4:58. https:\/\/doi.org\/10.1186\/1752-1947-4-58","journal-title":"J Med Case Rep"},{"issue":"1","key":"1464_CR11","doi-asserted-by":"publisher","first-page":"94","DOI":"10.1097\/IAE.0b013e3180986299","volume":"28","author":"CM Eandi","year":"2008","unstructured":"Eandi CM, Del Priore LV, Bertelli E, Ober MD, Yannuzzi LA (2008) Central serous chorioretinopathy in patients with keratoconus. Retina 28(1):94\u201396. https:\/\/doi.org\/10.1097\/IAE.0b013e3180986299","journal-title":"Retina"},{"issue":"9","key":"1464_CR12","doi-asserted-by":"publisher","first-page":"664","DOI":"10.3928\/23258160-20180831-03","volume":"49","author":"S Akkaya","year":"2018","unstructured":"Akkaya S (2018) Macular and peripapillary choroidal thickness in patients with keratoconus. Ophthalmic Surg Lasers Imaging Retina 49(9):664\u2013673. https:\/\/doi.org\/10.3928\/23258160-20180831-03","journal-title":"Ophthalmic Surg Lasers Imaging Retina"},{"issue":"12","key":"1464_CR13","doi-asserted-by":"publisher","first-page":"1509","DOI":"10.1097\/ICO.0000000000001379","volume":"36","author":"S Akkaya","year":"2017","unstructured":"Akkaya S, Kucuk B (2017) Lamina cribrosa thickness in patients with keratoconus. Cornea 36(12):1509\u20131513. https:\/\/doi.org\/10.1097\/ICO.0000000000001379","journal-title":"Cornea"},{"issue":"4","key":"1464_CR14","doi-asserted-by":"publisher","first-page":"203","DOI":"10.1159\/000350801","volume":"229","author":"MM Moschos","year":"2013","unstructured":"Moschos MM, Chatziralli IP, Koutsandrea C, Siasou G, Droutsas D (2013) Assessment of the macula in keratoconus: an optical coherence tomography and multifocal electroretinography study. Ophthalmologica 229(4):203\u2013207. https:\/\/doi.org\/10.1159\/000350801","journal-title":"Ophthalmologica"},{"issue":"2","key":"1464_CR15","doi-asserted-by":"publisher","first-page":"171","DOI":"10.1136\/bjo.2010.182170","volume":"95","author":"W Geitzenauer","year":"2011","unstructured":"Geitzenauer W, Hitzenberger CK, Schmidt-Erfurth UM (2011) Retinal optical coherence tomography: past, present and future perspectives. Br J Ophthalmol 95(2):171\u2013177. https:\/\/doi.org\/10.1136\/bjo.2010.182170","journal-title":"Br J Ophthalmol"},{"issue":"11","key":"1464_CR16","doi-asserted-by":"publisher","first-page":"4963","DOI":"10.1167\/iovs.06-1472","volume":"48","author":"G Virgili","year":"2007","unstructured":"Virgili G, Menchini F, Dimastrogiovanni AF, Rapizzi E, Menchini U, Bandello F, Chiodini RG (2007) Optical coherence tomography versus stereoscopic fundus photography or biomicroscopy for diagnosing diabetic macular edema: a systematic review. Invest Ophthalmol Vis Sci 48(11):4963\u20134973. https:\/\/doi.org\/10.1167\/iovs.06-1472","journal-title":"Invest Ophthalmol Vis Sci"},{"issue":"6","key":"1464_CR17","doi-asserted-by":"publisher","first-page":"596","DOI":"10.1097\/00006982-200112000-00006","volume":"21","author":"AS Neubauer","year":"2001","unstructured":"Neubauer AS, Priglinger S, Ullrich S, Bechmann M, Thiel MJ, Ulbig MW, Kampik A (2001) Comparison of foveal thickness measured with the retinal thickness analyzer and optical coherence tomography. Retina 21(6):596\u2013601","journal-title":"Retina"},{"issue":"4","key":"1464_CR18","doi-asserted-by":"crossref","first-page":"280","DOI":"10.3928\/1542-8877-19980401-05","volume":"29","author":"M Baumann","year":"1998","unstructured":"Baumann M, Gentile RC, Liebmann JM, Ritch R (1998) Reproducibility of retinal thickness measurements in normal eyes using optical coherence tomography. Ophthalmic Surg Lasers 29(4):280\u2013285","journal-title":"Ophthalmic Surg Lasers"},{"issue":"8","key":"1464_CR19","doi-asserted-by":"publisher","first-page":"1019","DOI":"10.1001\/archopht.1995.01100080071031","volume":"113","author":"MR Hee","year":"1995","unstructured":"Hee MR, Puliafito CA, Wong C, Duker JS, Reichel E, Rutledge B, Schuman JS, Swanson EA, Fujimoto JG (1995) Quantitative assessment of macular edema with optical coherence tomography. Arch Ophthalmol 113(8):1019\u20131029","journal-title":"Arch Ophthalmol"},{"issue":"5","key":"1464_CR20","doi-asserted-by":"publisher","first-page":"401","DOI":"10.3928\/15428877-20120531-01","volume":"43","author":"AB Cankaya","year":"2012","unstructured":"Cankaya AB, Beyazyildiz E, Ileri D, Yilmazbas P (2012) Optic disc and retinal nerve fiber layer parameters of eyes with keratoconus. Ophthalmic Surg Lasers Imaging 43(5):401\u2013407. https:\/\/doi.org\/10.3928\/15428877-20120531-01","journal-title":"Ophthalmic Surg Lasers Imaging"},{"issue":"12","key":"1464_CR21","doi-asserted-by":"publisher","first-page":"1318","DOI":"10.1097\/ICO.0b013e31821eeaad","volume":"30","author":"A Koytak","year":"2011","unstructured":"Koytak A, Kubaloglu A, Sari ES, Atakan M, Culfa S, Ozerturk Y (2011) Changes in central macular thickness after uncomplicated corneal transplantation for keratoconus: penetrating keratoplasty versus deep anterior lamellar keratoplasty. Cornea 30(12):1318\u20131321. https:\/\/doi.org\/10.1097\/ICO.0b013e31821eeaad","journal-title":"Cornea"},{"issue":"5","key":"1464_CR22","doi-asserted-by":"publisher","first-page":"756","DOI":"10.1016\/j.ajo.2011.05.001","volume":"152","author":"BT Acar","year":"2011","unstructured":"Acar BT, Muftuoglu O, Acar S (2011) Comparison of macular thickness measured by optical coherence tomography after deep anterior lamellar keratoplasty and penetrating keratoplasty. Am J Ophthalmol 152(5):756\u2013761. https:\/\/doi.org\/10.1016\/j.ajo.2011.05.001","journal-title":"Am J Ophthalmol"},{"key":"1464_CR23","doi-asserted-by":"publisher","first-page":"21743","DOI":"10.1038\/srep21743","volume":"6","author":"R Hua","year":"2016","unstructured":"Hua R, Gangwani R, Guo L, McGhee S, Ma X, Li J, Yao K (2016) Detection of preperimetric glaucoma using Bruch membrane opening, neural canal and posterior pole asymmetry analysis of optical coherence tomography. Sci Rep 6:21743. https:\/\/doi.org\/10.1038\/srep21743","journal-title":"Sci Rep"},{"issue":"11","key":"1464_CR24","doi-asserted-by":"publisher","first-page":"837","DOI":"10.4103\/0301-4738.171965","volume":"63","author":"P Dave","year":"2015","unstructured":"Dave P, Shah J (2015) Diagnostic accuracy of posterior pole asymmetry analysis parameters of spectralis optical coherence tomography in detecting early unilateral glaucoma. Indian J Ophthalmol 63(11):837\u2013842. https:\/\/doi.org\/10.4103\/0301-4738.171965","journal-title":"Indian J Ophthalmol"},{"issue":"2","key":"1464_CR25","doi-asserted-by":"publisher","first-page":"118","DOI":"10.1016\/j.optom.2015.10.002","volume":"9","author":"S Khanal","year":"2016","unstructured":"Khanal S, Davey PG, Racette L, Thapa M (2016) Intraeye retinal nerve fiber layer and macular thickness asymmetry measurements for the discrimination of primary open-angle glaucoma and normal tension glaucoma. J Optom 9(2):118\u2013125. https:\/\/doi.org\/10.1016\/j.optom.2015.10.002","journal-title":"J Optom"},{"issue":"8","key":"1464_CR26","doi-asserted-by":"publisher","first-page":"894","DOI":"10.3109\/02713683.2013.787433","volume":"38","author":"JM Kim","year":"2013","unstructured":"Kim JM, Sung KR, Yoo YC, Kim CY (2013) Point-wise relationships between visual field sensitivity and macular thickness determined by spectral-domain optical coherence tomography. Curr Eye Res 38(8):894\u2013901. https:\/\/doi.org\/10.3109\/02713683.2013.787433","journal-title":"Curr Eye Res"},{"issue":"5","key":"1464_CR27","doi-asserted-by":"publisher","first-page":"484","DOI":"10.1097\/OPX.0000000000000249","volume":"91","author":"MS Alluwimi","year":"2014","unstructured":"Alluwimi MS, Swanson WH, Malinovsky VE (2014) Between-subject variability in asymmetry analysis of macular thickness. Optom Vis Sci 91(5):484\u2013490. https:\/\/doi.org\/10.1097\/OPX.0000000000000249","journal-title":"Optom Vis Sci"},{"issue":"6","key":"1464_CR28","doi-asserted-by":"publisher","first-page":"701","DOI":"10.1055\/s-0042-100626","volume":"233","author":"MW Belin","year":"2016","unstructured":"Belin MW, Duncan JK (2016) Keratoconus: the ABCD grading system. Klin Monbl Augenheilkd 233(6):701\u2013707. https:\/\/doi.org\/10.1055\/s-0042-100626","journal-title":"Klin Monbl Augenheilkd"},{"issue":"12","key":"1464_CR29","doi-asserted-by":"publisher","first-page":"1857","DOI":"10.18240\/ijo.2017.12.11","volume":"10","author":"Y Zhang","year":"2017","unstructured":"Zhang Y, Li N, Chen J, Wei H, Jiang SM, Chen XM (2017) A new strategy to interpret OCT posterior pole asymmetry analysis for glaucoma diagnosis. Int J Ophthalmol 10(12):1857\u20131863. https:\/\/doi.org\/10.18240\/ijo.2017.12.11","journal-title":"Int J Ophthalmol"},{"issue":"12","key":"1464_CR30","doi-asserted-by":"publisher","first-page":"e0189735","DOI":"10.1371\/journal.pone.0189735","volume":"12","author":"T Nishi","year":"2017","unstructured":"Nishi T, Ueda T, Mizusawa Y, Semba K, Shinomiya K, Mitamura Y, Sakamoto T, Ogata N (2017) Effect of optical correction on subfoveal choroidal thickness in children with anisohypermetropic amblyopia. PLoS ONE 12(12):e0189735. https:\/\/doi.org\/10.1371\/journal.pone.0189735","journal-title":"PLoS ONE"},{"issue":"3","key":"1464_CR31","doi-asserted-by":"publisher","first-page":"273","DOI":"10.1111\/opo.12441","volume":"38","author":"A Carmichael Martins","year":"2018","unstructured":"Carmichael Martins A, Vohnsen B (2018) Analysing the impact of myopia on the Stiles-Crawford effect of the first kind using a digital micromirror device. Ophthalmic Physiol Opt 38(3):273\u2013280. https:\/\/doi.org\/10.1111\/opo.12441","journal-title":"Ophthalmic Physiol Opt"},{"issue":"12","key":"1464_CR32","doi-asserted-by":"publisher","first-page":"2167","DOI":"10.1016\/j.jcrs.2012.10.022","volume":"38","author":"DP Pinero","year":"2012","unstructured":"Pinero DP, Nieto JC, Lopez-Miguel A (2012) Characterization of corneal structure in keratoconus. J Cataract Refract Surg 38(12):2167\u20132183. https:\/\/doi.org\/10.1016\/j.jcrs.2012.10.022","journal-title":"J Cataract Refract Surg"},{"issue":"8","key":"1464_CR33","doi-asserted-by":"publisher","first-page":"e0182080","DOI":"10.1371\/journal.pone.0182080","volume":"12","author":"HX Bai","year":"2017","unstructured":"Bai HX, Mao Y, Shen L, Xu XL, Gao F, Zhang ZB, Li B, Jonas JB (2017) Bruch s membrane thickness in relationship to axial length. PLoS ONE 12(8):e0182080. https:\/\/doi.org\/10.1371\/journal.pone.0182080","journal-title":"PLoS ONE"},{"issue":"8","key":"1464_CR34","doi-asserted-by":"publisher","first-page":"1428","DOI":"10.1097\/IAE.0000000000001464","volume":"37","author":"JB Jonas","year":"2017","unstructured":"Jonas JB, Ohno-Matsui K, Jiang WJ, Panda-Jonas S (2017) Bruch membrane and the mechanism of myopization: a new theory. Retina 37(8):1428\u20131440. https:\/\/doi.org\/10.1097\/IAE.0000000000001464","journal-title":"Retina"},{"key":"1464_CR35","doi-asserted-by":"publisher","first-page":"1691","DOI":"10.1016\/j.bbamcr.2017.06.013","volume":"10","author":"T Rakshit","year":"1864","unstructured":"Rakshit T, Senapati S, Parmar VM, Sahu B, Maeda A (1864) Park PS (2017) Adaptations in rod outer segment disc membranes in response to environmental lighting conditions. Biochim Biophys Acta Mol Cell Res 10:1691\u20131702. https:\/\/doi.org\/10.1016\/j.bbamcr.2017.06.013","journal-title":"Biochim Biophys Acta Mol Cell Res"},{"issue":"1","key":"1464_CR36","doi-asserted-by":"publisher","first-page":"17","DOI":"10.1016\/s0014-4835(95)80054-9","volume":"61","author":"JL Schremser","year":"1995","unstructured":"Schremser JL, Williams TP (1995) Rod outer segment (ROS) renewal as a mechanism for adaptation to a new intensity environment I Rhodopsin levels and ROS length. Exp Eye Res 61(1):17\u201323. https:\/\/doi.org\/10.1016\/s0014-4835(95)80054-9","journal-title":"Exp Eye Res"},{"issue":"6","key":"1464_CR37","doi-asserted-by":"publisher","first-page":"915","DOI":"10.1016\/0014-4835(86)90070-9","volume":"43","author":"JS Penn","year":"1986","unstructured":"Penn JS, Williams TP (1986) Photostasis: regulation of daily photon-catch by rat retinas in response to various cyclic illuminances. Exp Eye Res 43(6):915\u2013928. https:\/\/doi.org\/10.1016\/0014-4835(86)90070-9","journal-title":"Exp Eye Res"},{"issue":"8","key":"1464_CR38","doi-asserted-by":"publisher","first-page":"1127","DOI":"10.18240\/ijo.2016.08.07","volume":"9","author":"N Bayraktar Bilen","year":"2016","unstructured":"Bayraktar Bilen N, Hepsen IF, Arce CG (2016) Correlation between visual function and refractive, topographic, pachymetric and aberrometric data in eyes with keratoconus. Int J Ophthalmol 9(8):1127\u20131133. https:\/\/doi.org\/10.18240\/ijo.2016.08.07","journal-title":"Int J Ophthalmol"}],"container-title":["International Ophthalmology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s10792-020-01464-8.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/article\/10.1007\/s10792-020-01464-8\/fulltext.html","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s10792-020-01464-8.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2021,6,17]],"date-time":"2021-06-17T23:10:38Z","timestamp":1623971438000},"score":1,"resource":{"primary":{"URL":"https:\/\/link.springer.com\/10.1007\/s10792-020-01464-8"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2020,6,18]]},"references-count":38,"journal-issue":{"issue":"11","published-print":{"date-parts":[[2020,11]]}},"alternative-id":["1464"],"URL":"https:\/\/doi.org\/10.1007\/s10792-020-01464-8","relation":{},"ISSN":["0165-5701","1573-2630"],"issn-type":[{"value":"0165-5701","type":"print"},{"value":"1573-2630","type":"electronic"}],"subject":[],"published":{"date-parts":[[2020,6,18]]},"assertion":[{"value":"11 January 2020","order":1,"name":"received","label":"Received","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"2 June 2020","order":2,"name":"accepted","label":"Accepted","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"18 June 2020","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":"None was declared by the authors.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Conflict of interest"}}]}}