[1] Univ Regensburg, Ctr Plast Aesthet Hand & Reconstruct Surg, D-93053 Regensburg, Germany
[2] Ludwig Maximilians Univ Munchen, Univ Hosp, Div Hand Plast & Aesthet Surg, D-80336 Munich, Germany
[3] Univ Hosp Erlangen, Dept Plast & Hand Surg, D-91054 Erlangen, Germany
[4] Agaples Diakonieklinikum Hamburg, Dept Plast Reconstruct & Aesthet Surg, D-20259 Hamburg, Germany
[5] Elbland Hosp Radebeul, Dept Plast Reconstruct & Breast Surg, D-01445 Radebeul, Germany
[6] SENO Clin, D-80539 Munich, Germany
[7] Breast Ctr Spital Zollikerberg, Dept Plast Reconstruct & Aesthet Surg, CH-8125 Zollikerberg, Switzerland
[8] Lubinus Clin Kiel, Dept Reconstruct Surg, D-24106 Kiel, Germany
[9] Nymphenburg Clin Plast & Aesthet Surg, D-80636 Munich, Germany
[10] Municipal Hosp Goerlitz, Dept Plast Reconstruct & Breast Surg, D-02828 Gorlitz, Germany
[11] Helios Hosp Emil von Behring, Hand Surg, Dept Plast & Aesthet Surg, D-14165 Berlin, Germany