1. Department of Ophthalmology, NewYork-Presbyterian/Weill Cornell Medical Center, New York, New York, USA
2. Cataract and IOL Services, Aravind Eye Hospital, Chennai, India
3. Geisel School of Medicine, Dartmouth Medical College, Hanover, New Hampshire, USA
4. Center for Preventative Ophthalmology and Biostatistics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
5. Department of Ophthalmology/Scheie Eye Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
6. Massachusetts Eye and Ear Infirmary, Harvard Medical School, Boston, Massachusetts, USA
7. MyungSung Christian Medical Center (MCM) Eye Unit, MCM General Hospital and MyungSung Medical School, Addis Ababa, Ethiopia