1. Department for Plastic, Hand and Reconstructive Surgery, Hand Trauma Center (FESSH), BG Trauma Center Frankfurt am Main, Academic Hospital of the Goethe University Frankfurt am Main, Frankfurt, Germany;
2. Department of Thoracic and Cardiovascular Surgery, Goethe University Frankfurt am Main, Frankfurt, Germany;
3. Department for Plastic, Hand and Reconstructive Surgery, Main-Taunus Hospitals GmbH, Bad Soden, Germany