[1] Charite Univ Med Berlin, Dept Radiat Oncol, Berlin, Germany
[2] Sakk Coordinating Ctr, Bern, Switzerland
[3] Inselspital Bern, Psychooncol Serv, Bern, Switzerland
[4] Kantonsspital Graubunden, Dept Radiat Oncol, Chur, Switzerland
[5] Bundeswehr Krankenhaus Berlin, Urol, Berlin, Germany
[6] Univ Hosp Dresden, Dept Radiat Oncol, Dresden, Germany
[7] Hirslanden Zurich, Dept Radiat Oncol, Zurich, Switzerland
[8] Univ Wurzburg, Dept Radiat Oncol, Wurzburg, Germany
[9] Univ Rostock, Dept Radiat Oncol, Rostock, Germany
[10] Univ Klin Radioonkol, Tubingen, Germany
[11] Kantonsspital St Gallen, Dept Radiat Oncol, St Gallen, Switzerland
[12] Univ Spital Basel, Klin Strahlentherapie & Radioonkol, Basel, Switzerland
[13] Bern Univ Hosp, Bern, Switzerland
[14] Inselspital Bern, Dept Radiat Oncol, Bern, Switzerland
[15] Urol Univ Klin Bern, Bern, Switzerland