Dina Mired1, Sonali Johnson1, Gevorg Tamamyan2,3. 1. Union for International Cancer Control, Geneva, Switzerland. 2. Yerevan State Medical University, Department of Pediatric Oncology and Hematology, Yerevan, Armenia. gevorgtamamyan@gmail.com. 3. Pediatric Cancer and Blood Disorders Center of Armenia, Hematology Center after Prof. R.H.Yeolyan, Yerevan, Armenia. gevorgtamamyan@gmail.com.