Lucas J Castro-Alves1, Mark C Kendall2. 1. Department of Anesthesiology, The Warren Alpert Medical School of Brown University, 593 Eddy Street, Providence, RI, 02903, USA. 2. Department of Anesthesiology, The Warren Alpert Medical School of Brown University, 593 Eddy Street, Providence, RI, 02903, USA. mark.kendall@lifespan.org.