1. Department of Clinical Sciences, Intervention and Technology (CLINTEC), Karolinska Institute, Centre for Digestive Diseases, Karolinska University Hospital, Stockholm, Sweden
2. Department of Urology, Faculty of Medicine and Health, Örebro University, Örebro, Sweden
3. Department of Clinical Science and Education Södersjukhuset, Karolinska Institute, Stockholm, Department of Surgery, Södersjukhuset, Stockholm, Sweden