1. University Medical Center Groningen, University of Groningen, Department of Plastic, Reconstructive, and Hand Surgery, Groningen, The Netherlands, at the time of the study. She is now Plastic Surgeon at Academic Medical Center, University of Amsterdam, Department of Plastic, Reconstructive, and Hand Surgery, Amsterdam, The Netherlands.
2. Department of Pediatrics, St. Maarten Medical Center, St. Maarten, Netherlands Antilles.
3. Department of Maxillofacial Surgery, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands.
4. Department of Pediatrics, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands.
5. Department of Plastic, Reconstructive, and Hand Surgery, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands.
6. Department of Plastic and Reconstructive Surgery, University Hospital of Gent, Gent, Belgium.