University Hospital RWTH Aachen, Germany

European Institute of Oncology, Milan, Italy

Hospital Infantil de México Federico Gómez, Mexico City, Mexico

European Institute of Oncology, Milan, Italy

Da Nang Hospital for Women and Children, Da Nang, Vietnam

Universidad Privada San Juan Bautista, Lima, Peru

Public Health Foundation of India, Hyderabad, India

Tata Memorial Hospital, Mumbai, India

Calmette Hospital, Phnom Penh, Cambodia

Princess of Wales Hospital, Cardiff, UK

Instituto Venezolano de Investigaciones Cientificas (IVIC), Caracas, Venezuela.

AC Camargo Cancer Center, São Paulo, Brazil

Rwanda Cancer Center/Rwanda Military Hospital, Kigali, Rwanda

Indraprastha Apollo Hospital, New Delhi, India

Oncosalud, Lima, Peru

Hospital das Clinicas de Porto Alegre, Brazil

Basavatarakam Indo American Cancer Hospital and Research Institute, Hyderabad, India

Xiamen University, Fujian, China

Karunashraya, Bengaluru, India

BALCO Medcial Centre, Raipur, India