1. Exeter Surgical Health Service Research Unit, Royal Devon and Exeter NHS Foundation Trust, Exeter, Devon, United Kingdom
2. Department of Gastrointestinal Surgery, University of Exeter Medical School, Exeter, Devon, United Kingdom
3. Ludwig Boltzmann Institute for Experimental and Clinical Traumatology, Austrian Cluster of Tissue Regeneration, Vienna, Austria
4. Department of Visceral, Oncological and General Surgery, Wilhelminenspital, Vienna, Austria