1. Department of Surgery, Div. of Reconstructive Surgery, Guthrie Clinic, Sayre, PA, USA
2. Department of Surgery, University of Virginia Health Systems, Charlottesville, VA, USA
3. Division of Transplantation, Department of Surgery, Milton S, Hershey Medical Center, Hershey, PA, USA
4. Meritus Surgical Specialists, Hagerstown, MD, USA
5. Western Michigan University School of Medicine, Kalamazoo, MI, USA