1. Department of Oncology and Leuven Cancer Institute (LKI), Laboratory of Angiogenesis and Vascular Metabolism, KU Leuven, 3000 Leuven, Belgium
2. State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-Sen University, Guangzhou 510060, Guangdong, P.R. China
3. Laboratory of Angiogenesis and Vascular Metabolism, Center for Cancer Biology, VIB, 3000 Leuven, Belgium