P31 Minimizing infectious complications following transrectal prostate biopsy: a proposal for a risk-adapted antibiotic treatment strategy with Ceftriaxone and Ertapenem as key components - G. Ortner; V. Fritz; J.R. Schachtner; V. Gkolezakis; T.R.W. Herrmann; T. Theodoros; N. Udo (European Urology Open Science)