Affiliations

• ¹ Clinic for Anaesthesia, Intermediate Care, Prehospital Emergency Medicine and Pain Therapy, University Hospital Basel, University of Basel, Switzerland; University of Basel, Medical Faculty, Basel, Switzerland. Electronic address: daniel.bolliger@usb.ch.
• ² University of Basel, Medical Faculty, Basel, Switzerland; Anesthesiology, Zurich City Hospital, Zurich, Switzerland.
• ³ University of Basel, Medical Faculty, Basel, Switzerland; Division of Cardiac Surgery, University Hospital Basel,University of Basel, Switzerland.