[1] Clin Genolier, Genolier, Switzerland
[2] Belarusian Med Acad Postgrad Educ, Minsk, BELARUS
[3] Dnipropetrovsk City Multifield Clin Hosp 4, Dnepropetrovsk, Ukraine
[4] Reg Antitumor Ctr, Donetsk, Ukraine
[5] Republican Clin Oncol Dispensary, Ufa, Russia
[6] Kidway Mem Inst Oncol, Bangalore, Karnataka, India
[7] Leningrad Reg Oncol Dispensary, St Petersburg, Russia
[8] Clin Oncol Dispensary, Arkhangelsk, Russia
[9] Hop Rene Huguenin, Inst Curie, St Cloud, France
[10] City Oncol Hosp, Kiev, Ukraine
[11] Ctr Leon Berard, Dept Oncol Med, F-69373 Lyon, France
[12] Reg Oncol Hosp, Dnepropetrovsk, Ukraine
[13] Inst Cancerol Gustave Roussy, Villejuif, France
[14] North Estonia Med Ctr, Tallinn, Estonia
[15] Reg Clin Oncol Dispensary, Vitebsk, BELARUS
[16] CHU Bretonneau, Dept Med Oncol, F-37044 Tours, France
[17] Inst Cancerol Ouest, Nantes, France
[18] Hosp Univ Gregorio Maranon, Madrid, Spain