University of Washington Medical Center, Seattle, Washington, United States
University of Michigan, Ann Arbor, Michigan, United States
Institute for Research and Innovation MultiCare Health System, Tacoma, Washington, United States
Washington University St Louis, Saint Louis, Missouri, United States
Cooper University Health Care, Camden, New Jersey, United States
Alaska Cardiovascular Research Foundation, Anchorage, Alaska, United States
Heart Clinic of Hammond, LA, Hammond, Louisiana, United States