[1] Autonomous Univ Barcelona, Vall dHebron Trauma Rehabil & Burns Hosp, Dept Anaesthesiol Intens Care & Pain Clin, Barcelona, Spain
[2] Witten Herdecke Univ, Cologne Merheim Med Ctr, Dept Trauma & Orthoped Surg, Campus Cologne Merheim, Cologne, Germany
[3] Rhenish Westphalian Tech Univ, Aachen Univ Hosp, Dept Anesthesiol, Aachen, Germany
[4] Sana Heart Ctr Cottbus, Clin Anesthesiol & Interdisciplinary Intens Care M, Cottbus, Germany
[5] Ruhr Univ Bochum, Bochum, Germany
[6] Kantons Spital St Gallen, Div Anesthesiol, Hosp Linth, St Gallen, Switzerland
[7] Duke Univ, Sch Med, Dept Anesthesiol Crit Care & Surg, Durham, NC USA
[8] Univ Bern, Bern Univ Hosp, Dept Anesthesiol & Pain Med, Inselspital, Bern, Switzerland