1. Department of Surgery, Colorectal Unit, Faculty of Medicine and Health Örebro University Örebro Sweden
2. Medical University of Gdansk Gdansk Poland
3. Department of Vascular Surgery and Institute of Medicine, Department of Molecular and Clinical Medicine Sahlgrenska University Hospital and Academy Gothenburg Sweden
4. Örebro University and Sahlgrenska University, Faculty of Medicine and Health Örebro Sweden
5. Department of Cardiothoracic and Vascular Surgery, Faculty of Medicine and Health Örebro University Örebro Sweden
6. Department of Geriatrics, Faculty of Medicine and Health Örebro University Örebro Sweden