[1]Retina Research Unit;
Department of Ophthalmology;
Faculty of Medicine;
Chulalongkorn University and King Chulalongkorn Memorial Hospital;
Thai Red Cross Society;
Bangkok 10330;
Thailand;
[1]Retina Research Unit;
Department of Ophthalmology;
Faculty of Medicine;
Chulalongkorn University and King Chulalongkorn Memorial Hospital;
Thai Red Cross Society;
Bangkok 10330;
Thailand;
[2]College of Public Health Sciences;
Chulalongkorn University;
Bangkok 10330;
Thailand;