1 Department of Biomechanical Engineering, Faculty of Mechanical Engineering, Delft University of Technology, TU Delft, Mekelweg 2, 2628 CD, Delft, The Netherlands. p.d.robertson@tudelft.nl.
2 Department of Biomechanical Engineering, Faculty of Mechanical Engineering, Delft University of Technology, TU Delft, Mekelweg 2, 2628 CD, Delft, The Netherlands.
3 Department of Paediatric Surgery, Erasmus MC Sophia Children's Hospital, University Medical Center Rotterdam, Rotterdam, The Netherlands.
4 Department of Surgical Sciences, University of Torino, Torino, Italy.
5 Department of General Surgery, Hadassah Hebrew University Medical Center, Jerusalem, Israel.
6 Faculty of Medicine, Hebrew University of Jerusalem, Jerusalem, Israel.
7 Department of General, Visceral, and Transplantation Surgery, Heidelberg University Hospital, Im, Neuenheimer Feld 420, 69120, Heidelberg, Germany.