Atrial Flutter

• Phoenix Children's Hospital — Phoenix, Arizona, United States
• University of California, San Francisco — San Francisco, California, United States
• Children's Hospital Colorado — Denver, Colorado, United States
• Children's National Medical Center — Washington D.C., District of Columbia, United States

• Vilnius University Hospital — Vilnius, Lithuania

• Homolka Hospital — Prague, Czechia
• Institute Klinicke a Experimentalni Mediciny — Prague, Czechia

• Na Homolce Hospital — Prague, Czechia

• Federal State Budgetary Institution NATIONAL MEDICAL RESEARCH CENTRE OF CARDIOLOGY NAMED AFTER ACADEMICIAN E.I.CHAZOV. of the Ministry of Health of the Russian Federation — Moscow, Russia

• BayCare Medical Group Cardiology — Tampa, Florida, United States
• University of Michigan — Ann Arbor, Michigan, United States
• University of Pittsburgh Medical Center (UPMC) — Pittsburgh, Pennsylvania, United States
• Montreal Heart Institute — Montreal, Quebec, Canada

Not specified

• Hartford Hospital — Hartford, Connecticut, United States
• Yale University School of Medicine — New Haven, Connecticut, United States
• Northwestern University — Evanston, Illinois, United States
• University of Michigan — Ann Arbor, Michigan, United States

• Matthew Hysell — Saint Joseph, Michigan, United States

• Stanford Hospital — Stanford, California, United States