1. Department of Plastic and Reconstructive Surgery, Université Libre de Bruxelles, 1070 Bruxelles, Belgium
2. Faculty of Pharmaceutical Science, Université Libre de Bruxelles, 1070 Bruxelles, Belgium
3. Pediatric Surgery, Hôpital Riviera Chablais, 1847 Rennaz, Switzerland
4. Pediatric Surgery, Centre Hospitalier Universitaire Vaudois, 1005 Lausanne, Switzerland