1 Department of Internal Medicine, Division of Pulmonary, Critical Care, and Sleep Medicine, University of New Mexico School of Medicine, Albuquerque, NM; Program in Sleep Medicine, University of New Mexico Health Sciences Center, Albuquerque, NM; Department of Electrical and Computer Engineering, University of New Mexico School of Engineering, Albuquerque, NM. Electronic address: lkbrown@salud.unm.edu.
2 Division of Pulmonary, Critical Care and Sleep Medicine, Icahn School of Medicine at Mount Sinai, New York, NY; Respiratory Institute-Mount Sinai Beth Israel Medical Center-National Jewish, New York, NY; Center for the Biology of Natural Systems, Queens College, City University of New York, Queens, NY.