1. Department of Anesthesiology and Intensive Care Medicine, University Hospital Essen, Essen, Germany.
2. Department of Anesthesiology, Perioperative and General Critical Care Medicine, University Hospital Salzburg, Paracelsus Medical University, Salzburg, Austria.
3. University Institute of Sports Medicine, Prevention and Rehabilitation; Research Institute of Molecular Sports Medicine and Rehabilitation, Paracelsus Medical University, Salzburg, Austria.
4. Department of Internal Medicine, University of Heidelberg, Heidelberg, Germany.