1. From the Fight against Angiogenesis-Related Blindness Laboratory, Department of Ophthalmology, Seoul National University College of Medicine and Seoul Artificial Eye Center, Clinical Research Institute, Seoul National University Hospital, Seoul, Korea;
2. the Department of Pharmacology and BK21 Program for Medical Sciences, College of Medicine, Korea University, Seoul, Korea;
3. the Department of Ophthalmology, Seoul National University Bundang Hospital, Seongnam, Korea; and
4. the NeuroVascular Coordination Research Center, College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, Korea.