Affiliations

• ¹ Department of Anesthesia, Critical Care, and Pain Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA; Department of Anesthesia, Hospital México, University of Costa Rica, San José, Costa Rica.
• ² Department of Anesthesiology, University Medical Center, Groningen, University of Groningen, Groningen, Netherlands.
• ³ Department of Anesthesia, Critical Care, and Pain Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA; Department of Anesthesia and Pain Medicine, Peking University People's Hospital, Beijing, China.
• ⁴ Department of Anesthesia, Critical Care, and Pain Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA.
• ⁵ Department of Anesthesia, Critical Care, and Pain Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA. Electronic address: fmahmood@bidmc.harvard.edu.