1. Department of Ophthalmology, Columbia University, New York, New York, USA
2. Department of Ophthalmology, Peking University Third Hospital, Beijing key laboratory of restoration of damaged ocular nerve, Beijing, China
3. Department of Ophthalmology, Hospital das Clínicas de Pernambuco – Empresa Brasileira de Serviços Hospitalares, Federal University of Pernambuco, Recife, Pernambuco, Brazil
4. Department of Pathology and Cell Biology, Columbia University, New York, NY, USA