1. Department of Pathology & Medical Biology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands.
2. Department of Plastic Surgery, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands.
3. Department of Plastic Surgery, University Medical Center Utrecht, University of Utrecht, Utrecht, the Netherlands.
4. Department of Cardiovascular Surgery, Universidade of Sao Paulo, Sao Paulo, Brazil.
5. Department of Plastic Surgery Microsurgery and Plastic Surgery Laboratory, Universidade of Sao Paulo, Sao Paulo, Brazil.
6. Department of Pediatrics, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands.
7. Department of Biomolecular Health Sciences, Faculty of Veterinary Medicine, Utrecht University, Utrecht, the Netherlands.