Salvage radiotherapy confers an overall survival advantage in biochemical recurrence of prostate cancer: evidence from the international PROMISE registry / Nika Guberina, Madeleine J. Karpinski, Maja Guberina, Sebastian Hoberück, Matthias Miederer, Tobias Hölscher, Isabel Rauscher, Matthias Eiber, Andrew Nguyen, Lela Theus, Matteo Bauckneht, Helen Scholtissek, Kambiz Rahbar, Jonathan Miksch, Daniele Antonio Pizzuto, Karolien Goffin, Caner Civan, Shima F. Reinwand, Andreas Stang, Jens Kleesiek, Anja Merkel-Jens, Lale Umutlu, Alfonso Santangelo, Timo F. W. Soeterik, Stephan Beintner-Skawran, Andrej Vondrak, Anders Bjartell, Laura Evangelista, Sazan Rasul, Marcin Miszczyk, Adrien Holzgreve, Gabriel T. Sheikh, Andrea Di Giorgio, Andrea Farolfi, Ken Herrmann, Boris Hadaschik, Wolfgang P. Fendler, Martin Stuschke