1. Pathology and Laboratory Medicine Institute, Cleveland Clinic, Cleveland, OH
2. Department of Dermatology, Cleveland Clinic, Cleveland, OH
3. Department of Plastic Surgery, Duke University, Durham, NC
4. Departments of General Surgery and Transplantation, Cleveland Clinic, Cleveland, OH
5. Department of Orthopedics and Microsurgery, University of Illinois at Chicago, Chicago, IL
6. Department of Plastic Surgery, Cleveland Clinic, Cleveland, OH