1. Department of Ophthalmology, Emory University, Atlanta, Georgia, United States
2. The First Affiliated Hospital of Medical School of Xi'an Jiaotong University, Xi'an, Shan'xi, China
3. Department of Ophthalmology, Hallym University College of Medicine, Kangdong Sacred Heart Hospital, Gangdong-gu, Seoul, South Korea
4. Department of Ophthalmology, Second Xiangya Hospital of Central South University, Changsha, Hunan, China
5. Atlanta Veterans Administration Center for Visual and Neurocognitive Rehabilitation, Decatur, Georgia, United States