1. From the Institute of Anesthesiology, Heart and Diabetes Center NRW, Bad Oeynhausen, Ruhr-University Bochum, Germany (A.K.); Department of Anesthesiology and Pain Medicine, Hospital for Sick Children, University of Toronto, Toronto, Canada (D.F.); and Department of Anesthesiology, Cardiac Anesthesiology and Intensive Care, Duke University School of Medicine, Durham, North Carolina (J.H.L.).