From the Department of Anesthesiology, Perioperative Medicine and Intensive Care Medicine, Paracelsus Medical University, Salzburg, Austria (CC, SGM), Hospital for Special Surgery, Department of Anesthesiology, Critical Care & Pain Management, Weill Cornell Medical College, New York, USA (HZ, AI, JL, SGM), Department of Orthopaedic Surgery/Institute for Healthcare Delivery Science, Department of Population Health Science and Policy, Icahn School of Medicine at Mount Sinai, 1 Gustave L. Levy Pl, New York, USA (JP), Department of Anesthesiology, Weill Cornell Medicine, New York City, New York, USA (JL, SGM), Academic Orthopaedic Department, Aristotle University Medical School, General Hospital Papageorgiou (LAP), Centre of Orthopaedic and Regenerative Medicine Research (CORE), Center for Interdisciplinary Research and Innovation (CIRI), Aristotle University of Thessaloniki, Thessaloniki, Greece (LAP) and Nuffield Department of Anaesthetics, Oxford University Hospitals, Oxford, United Kingdom (VA)

Correspondence to Stavros G. Memtsoudis, MD, PhD, MBA, FCCP, Department of Anesthesiology, Hospital for Special Surgery, 535 East 70th Street, New York, NY 10021, USA. Tel: +1 212 606 1036; e-mail: [email protected]

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