Institution: | (1) Department of Urology, University Hospital Basel, Spitalstrasse 21, 4031 Basel, Switzerland;(2) Division of Infectious Diseases and Hospital Epidemiology, University Hospital Basel, Petersgraben 4, 4031 Basel, Switzerland;(3) Institute for Clinical Epidemiology and Biostatistics, University Hospital Basel, Hebelstrasse 10, 4031 Basel, Switzerland |