1. Department of Anesthesiology, Intensive Care, Emergency Medicine and Pain Therapy, Schwarzwald-Baar Hospital, Klinikstrasse 11, 78052 Villingen-Schwenningen, Germany
2. Department of Anesthesiology I, Faculty of Health, Witten/Herdecke University, 58455 Witten, Germany
3. Center of Emergency Medicine, University Hospital Essen, 45147 Essen, Germany
4. Department of Anesthesia, Critical Care and Pain Medicine, Boston Veterans Affairs Healthcare System, West Roxbury, MA 02132, USA
5. Tufts University School of Medicine, Boston, MA 02111, USA
6. Institute of Precision Medicine, Faculty of Medical and Life Sciences, Furtwangen University, 78054 Villingen-Schwenningen, Germany