1. Clinique de Genolier, Genolier, Switzerland
2. Belarusian Medical Academy of Postgraduate Education, Minsk, Belarus
3. Dnipropetrovsk City Multi-Field Clinical Hospital #4, Dnipropetrovsk, Ukraine
4. Regional Antitumor Center, Donetsk, Ukraine
5. Republican Clinical Oncology Dispensary, Ufa, Russia
6. Kidway Memorial Institute of Oncology, Bangalore, India
7. Leningrad Regional Oncology Dispensary, St. Petersburg, Russia
8. Clinical Oncology Dispensary, Arkhangelsk, Russia
9. Hôpital René Huguenin/Institut Curie, Saint-Cloud, France
10. City Oncology Hospital, Kiev, Ukraine
11. Département d'Oncologie Médicale, Centre Léon Berard, Lyon, France
12. Regional Oncology Hospital, Dnipropetrovsk, Ukraine
13. Institut de Cancerologie Gustave Roussy, Villejuif, France
14. North Estonia Medical Center, Tallinn, Estonia
15. Regional Clinical Oncology Dispensary, Vitebsk, Belarus
16. Department of Medical Oncology, CHU Bretonneau, Tours, France
17. Institut de Cancérologie de l'Ouest, Nantes, France
18. Hospital Universitario Gregorio Maranon, Madrid, Spain