1. Department of Hand, Plastic, and Reconstructive Surgery, Microsurgery, Burn Center, BG Trauma Center Ludwigshafen, Department of Plastic and Hand Surgery University of Heidelberg Heidelberg Germany
2. Department of Burn, Plastic and Reconstructive Surgery Beijing Jishuitan Hospital Beijing China
3. Department of Plastic, Hand and Reconstructive Microsurgery, Hand‐Trauma and Replantation Center BG Unfallklinik Frankfurt am Main gGmbH, Affiliated Hospital to the Goethe‐University Frankfurt am Main Germany