1. The Center for Cardiovascular Biology and Atherosclerosis Research, Division of Cardiovascular Medicine, Department of Internal Medicine, McGovern School of Medicine, The University of Texas Health Science Center at Houston, Houston, Texas, USA
2. Department of Biomedical Engineering, Cockrell School of Engineering, The University of Texas at Austin, Austin, Texas, USA
3. The Center for Sleep Sciences and Medicine, Department of Psychiatry and Behavioral Sciences, School of Medicine, Stanford University, Stanford, California, USA
4. Bioengineering & Chronobiology Laboratories, Atlantic Research Center for Telecommunication Technologies (atlanTTic), University of Vigo, Vigo, Spain
5. Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Medicine, Keck Medical School, University of Southern California, Los Angeles, California, USA