1. Vascularized Composite Allotransplantation Laboratory Center for Transplantation Sciences Massachusetts General Hospital Boston MA USA
2. Division of Plastic and Reconstructive Surgery Massachusetts General Hospital Boston MA USA
3. Service de Chirurgie Plastique Hôpital Européen Georges Pompidou Assistance Publique‐Hôpitaux de Paris (APHP) Université Paris Descartes Paris France
4. Department of Pathology Massachusetts General Hospital Boston MA USA