PORTEC-3
Leiden University Medical Center
Leiden University Medical Center
Peking Union Medical College Hospital
GOG Foundation
GOG Foundation
University of Witwatersrand, South Africa
European Organisation for Research and Treatment of Cancer - EORTC
The National Center of Oncology, Azerbaijan
Peking University
Air Force Military Medical University, China
Government Royapettah Hospital
National Cancer Institute (NCI)
National Eye Institute (NEI)