1. Department of Surgery; Ziekenhuisgroep Twente, Almelo and Hengelo; the Netherlands
2. Department of Rehabilitation Medicine; Academic Medical Center, University of Amsterdam, Amsterdam Movement Sciences; Amsterdam the Netherlands
3. Department of Diabetology; Mathias Spital; Rheine Germany
4. Department of Nephrology; Ziekenhuisgroep Twente, Almelo and Hengelo; the Netherlands