Affiliation: | ? University of Pittsburgh, Department of Surgery, Pittsburgh, Pennsylvania † New York Medical College, Valhalla, New York ‡ Hospital for Special Surgery, Tissue Engineering, Regeneration and Repair Program, New York, New York § New York University School of Medicine, Department of Surgery, Division of Wound Healing and Regenerative Medicine, New York, New York ¶ Division of Plastic Surgery, Pennsylvania State Medical Center, Hershey, Pennsylvania |