1. Department of Molecular Medicine and Surgery Karolinska Institutet Stockholm Sweden
2. Department of Surgery Capio St Göran Hospital Stockholm Sweden
3. Department of Molecular Medicine and Surgery Karolinska Institute Stockholm Sweden
4. Division of Coloproctology, A5:01 Karolinska University Hospital Stockholm Sweden
5. Department of Medicine Karolinska Institutet Stockholm Sweden
6. Department of Surgery Södersjukhuset Stockholm Sweden