1 The Michael E. DeBakey VA Medical Center, Houston, TX, USA; Section of Cardiology, Baylor College of Medicine, Houston, TX, USA. Electronic address: Chayakrit.Krittanawong@va.gov.
2 Cardiovascular Division, Houston Methodist Hospital, Houston, TX, USA.
3 Section of Cardiology, Baylor College of Medicine, Houston, TX, USA.
4 Bloomberg School of Public Health, John's Hopkins University, Baltimore, MD, USA.
5 The Michael E. DeBakey VA Medical Center, Houston, TX, USA; Section of Cardiology, Baylor College of Medicine, Houston, TX, USA.
6 Robert D. and Patricia E. Kern Center for the Science of Health Care Delivery, Mayo Clinic, Rochester, MN, USA; Division of Health Care Policy and Research, Department of Health Sciences Research, Mayo Clinic, Rochester, MN, USA.
7 Healthy Living for Pandemic Event Protection (HL - PIVOT) Network, Chicago, IL, USA; Department of Cardiovascular Diseases, John Ochsner Heart and Vascular Institute, Ochsner, Clinical School-University of Queensland School of Medicine, New Orleans, LA, USA.
8 Healthy Living for Pandemic Event Protection (HL - PIVOT) Network, Chicago, IL, USA; Department of Physical Therapy, College of Applied Science, University of Illinois, Chicago, IL, USA.
9 Department of Cardiovascular Medicine, Heart and Vascular Institute, Cleveland Clinic, Cleveland, OH, USA.