| Institution: | 2. Department of Cardiovascular Medicine, Cleveland Clinic, Cleveland, OH;1. Intervention Centre, Oslo University Hospital, Rikshospitalet, Oslo, Norway;4. Department of HPB Sugery, Oslo University Hospital, Rikshospitalet, Oslo, Norway;2. Institute of Clinical Medicine, Medical Faculty, University of Oslo, Oslo, Norway;3. Department of Surgery No1, Yerevan State Medical University after M.Heratsi, Yerevan, Armenia;5. Department of Digestive Surgery, Akershus University Hospital, University of Oslo, Lørenskog, Norway;6. Department of Biostatistics, Oslo Center for Biostatistics and Epidemiology, Institute of Basic Medical Sciences, University of Oslo, Oslo, Norway |
