[1] Erasmus MC Canc Inst, Med Oncol, Rotterdam, Netherlands
[2] St Franciscus Gasthuis, Internal Med, Rottedam, Netherlands
[3] Gelre Ziekenhuizen, Internal Med, Zutphen, Netherlands
[4] Univ Antwerp, GZA Hosp Sint Augustinus, Antwerp, Belgium
[5] Oncol Res Ctr, Antwerp, Belgium
[6] Erasmus MC, Urol, Rotterdam, Netherlands