Fred A Rotenberg1, Rudy Wu Chen2, Suchit Aggarwal3. 1. Anesthesiologist, Lifespan Physician Group, Providence, RI, United States; The Warren Alpert Medical School of Brown University, Providence, RI, United States. Electronic address: frotenberg@lifespan.org. 2. The Warren Alpert Medical School of Brown University, Providence, RI, United States. 3. Anesthesiologist, Lifespan Physician Group, Providence, RI, United States.