P-01-045 Solo-Masturbation of 45-Year-Old Men Depending on Sexual Orientation Identity and Associated Factors: Findings from the German Male Sex-Study (GMS-Study). (1st April 2017) - Bauer, J.; Schulwitz, H.; Albers, P.; Arsov, C.; Hadaschik, B.; Hohenfellner, M.; Imkamp, F.; Kuczyk, M.; Gschwend, J.; Herkommer, K.