1. Belarusian State University, F. Skoriny Avenue-4, 220050 Minsk, Belarus
2. Hematology and Blood Transfusion Research Institute, 160 Dolginovski Trakt, 223059 Minsk, Belarus
3. Belarussian Center for Pediatric Oncology and Hematology, P.O Lesnoye-2, Minsk District, 223052 Belarus