1. College of Medicine, Baylor College of Medicine, Houston, Texas, USA
2. The George Institute for Global Health, Faculty of Medicine and Health, University of New South Wales, Sydney, New South Wales, Australia
3. Department of Counseling & Clinical Psychology, Teachers College, Columbia University, New York, New York, USA
4. Department of Family and Community Medicine, Baylor College of Medicine, Houston, Texas, USA
5. Tsinghua Medicine, Tsinghua University, Beijing, China
6. Ocular Epidemiology Research Group, Singapore Eye Research Institute, Singapore National Eye Centre, Singapore