[1] Paracelsus Med Univ, Acad Teaching Hosp, AUVA Trauma Ctr Salzburg, Salzburg, Austria
[2] AUVA Res Ctr, Ludwig Boltzmann Inst Expt & Clin & Traumatol, Vienna, Austria
[3] Univ Witten Herdecke, Cologne Merheim Med Ctr, Dept Trauma & Orthoped Surg, Cologne, Germany