Research Institute for Tropical Medicine, Muntinlupa, Philippines
CEVAXIN, Panama, Panama
Beijing Cancer Hospital, Beijing, Beijing, China
Peking University Third Hospital, Beijing, Beijing, China
Sun Yat-san University Cancer Center, Guangzhou, Guangdong, China
Emory University, Atlanta, Georgia, United States
University Health Network, Toronto, Ontario, Canada
Princess Margaret Cancer Centre, Toronto, Ontario, Canada
Hospital Universitario San Juan de Alicante, San Juan, Alicante, Spain
Hospital General Universitario de Elda-Virgen de La Salud, Elda, Alicante, Spain
Hospital Universitari Son Espases, Palma de Mallorca, Baleares, Spain