1 Department of Cardiovascular Medicine and Robert D. and Patricia E. Kern Center for the Science of Health Care Delivery, Mayo Clinic, Rochester, Minnesota, USA. Electronic address: [email protected].
2 Division of Cardiovascular Medicine, Department of Internal Medicine, University of Utah School of Medicine, Salt Lake City, Utah, USA.
3 Division of Cardiovascular Medicine, Department of Internal Medicine, University of Utah School of Medicine, Salt Lake City, Utah, USA; Nora Eccles Harrison Cardiovascular Research and Training Institute, Salt Lake City, Utah, USA.