Affiliation: | 1. Department of Medical Statistics, Informatics and Health Economics, Innsbruck Medical University, Austria 2. Department of Surgical and Perioperative Sciences, Urology and Andrology, Ume? University, Ume?, Sweden 3. Department of Surgery, Malm? University Hospital, Lund University, Malm?, Sweden 4. Department of Radiation Sciences, Oncology, Ume? University, Ume?, Sweden 5. Institute of Epidemiology, Ulm University, Germany 6. Agency for Preventive and Social Medicine, Bregenz, Austria 7. Department of Public Health and Clinical Medicine, Nutritional Research, Ume? University, Sweden
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