1 Division of Personalized Early Detection of Prostate Cancer, German Cancer Research Center (DKFZ), Heidelberg, Germany; Department of Urology, Düsseldorf University Hospital, Medical Faculty, Heinrich-Heine University, Düsseldorf, Germany. Electronic address: p.albers@dkfz.de.
2 Department of Urology, KU Leuven, Leuven, Belgium.