1. Department of Surgery, University of Texas Medical Branch, Galveston
2. Shriners Hospitals for Children, Galveston, Texas
3. Department of Hand, Plastic and Reconstructive Surgery, Burn Center, BG Trauma Center Ludwigshafen, University of Heidelberg, Germany
4. Department of Plastic Surgery, Hand Surgery, Sarcoma Center, BG University Hospital, Ruhr University, Bochum, Germany
5. Metabolism Unit, Shriners Hospitals for Children, Galveston, Texas
6. Department of Urology, University Medical Center Mannheim, University of Heidelberg, Germany
7. Division of Plastic, Aesthetic and Reconstructive Surgery, Department of Surgery, Medical University of Graz, Austria