From the Department of Anesthesiology, McGovern Medical School, University of Texas Health Science Center at Houston, Houston, Texas (S.D.G., M.L.J., N.V., S.J.G., C.Y.W., H.K.E.); and the Department of Anesthesiology, Rheinisch-Westfälische Technische Hochschule Aachen University, Aachen, Germany (F.K.). (At 2020-01-01)
