[1] Instituto Politécnico de Lisboa,Escola Superior de Tecnologia da Saúde de Lisboa (ESTeSL)
[2] Universidade Nova de Lisboa,Comprehensive Health Research Center (CHRC), Escola Nacional de Saúde Pública
[3] Shahroud University of Medical Sciences,Ophthalmic Epidemiology Research Center
[4] R&D AMERA,Noor Ophthalmology Research Center
[5] Essilor International,Department of Medical Surgical Nursing, School of Nursing and Midwifery
[6] Noor Eye Hospital,Department of Ophthalmology
[7] Shahid Beheshti University of Medical Sciences,Institute for Research in Ophthalmology
[8] University of Warmia and Mazury,Singapore Eye Research Institute
[9] Foundation for Ophthalmology Development,Saw Swee Hock School of Public Health
[10] Singapore National Eye Centre,Department of Epidemiology and Biostatistics, School of Public Health
[11] Duke-NUS Medical School,undefined
[12] National University of Singapore,undefined
[13] Tehran University of Medical Sciences,undefined