Moltzahn, F
Karnes, J
Gontero, P
Kneitz, B
Tombal, B
Bader, P
Briganti, A
Montorsi, F
Van Poppel, H
Joniau, S
Spahn, M
Article History
Received: 22 July 2014
Revised: 15 September 2014
Accepted: 16 September 2014
First Online: 23 December 2014
Competing interests
: The authors declare no conflict of interest.