1. Department of Plastic Surgery University of Texas Southwestern Medical Center Dallas Texas USA
2. Northwestern Memorial Hospital Chicago Illinois USA
3. University of Miami Health System Miami Florida USA
4. Division of Plastic Surgery Brigham & Women's Hospital Wound Care Center Boston Massachusetts USA
5. Penn Plastic Surgery University City Philadelphia Pennsylvania USA
6. St. Luke's University Health Network Bethlehem Pennsylvania USA
7. Department of Plastic Surgery MedStar Georgetown University Hospital Washington District of Columbia USA