1. N.N. Petrov Institute of Oncology, Laboratory of Molecular Oncology; St.-Petersburg 197758 Russia
2. St.-Petersburg Pediatric Medical University, Department of Medical Genetics; St.-Petersburg 194100 Russia
3. Peter the Great St.-Petersburg Polytechnic University, Department of Bioinformatics; St.-Petersburg 195251 Russia
4. S.M. Kirov Military Medical Academy, Department of Surgery; St.-Petersburg 194044 Russia
5. I.I. Mechnikov North-Western Medical University, Department of Oncology; St.-Petersburg 191015 Russia
6. St.-Petersburg State University, Faculty of Medicine, Department of Oncology; St.-Petersburg 199034 Russia