1. Department of Anesthesiology, Innsbruck Medical University, Department of Anesthesiology and Critical Care Medicine, Hospital of the Merciful Sisters, Ried im Innkreis, Austria and Department of Research, B.R.A.H.M.S Aktiengesellschaft, Hennigsdorf, Germany
2. Department of Anesthesiology, Innsbruck Medical University, Austria.
3. Department of Research, B.R.A.H.M.S Aktiengesellschaft, Hennigsdorf, Germany.
4. Department of Anesthesiology and Critical Care Medicine, Hospital of the Merciful Sisters, Ried im Innkreis, Austria.