1. Department of Plastic, Reconstructive, Hand, and Burn Surgery, StKM - Klinikum Bogenhausen, Academic Teaching Hospital, Technical University Munich, Germany;
2. United Nations Population Fund, Technical Division, Population and Development Branch, New York, NY, USA;
3. Center of Plastic, Hand and Reconstructive Surgery, University Medical Center Regensburg, Germany;
4. Department of Plastic Surgery, North Shore LIJ Hospital, New York City, NY, USA