1. Russian Research Institute of Haematology and Blood Transfusion St Petersburg Russia
2. St Petersburg Pavlov State Medical University n.a. I.P. Pavlov St PetersburgRussia
3. Municipal Clinical Hospital n.a. S.P. Moscow Russia
4. Acceleron Pharma Inc. Cambridge MAUSA
5. Celgene Corporation Summit NJ USA
6. Department of Clinical Therapeutics University of Athens School of Medicine Alexandra General Hospital Athens Greece