1. Division of Cardiovascular Medicine, Frankel Cardiovascular Center University of Michigan Health Ann Arbor Michigan USA
2. Division of Allergy, Immunology and Rheumatology, Department of Pediatrics Children's Hospital of Michigan Detroit Michigan USA
3. Division of Cardiovascular Medicine, Faculty of Medicine, Center of Excellence in Arrhythmia Research Chulalongkorn University. Chulalongkorn University Bangkok Thailand
4. Department of Medicine, John A. Burns School of Medicine University of Hawaii Honolulu Hawaii USA
5. Department of Cardiovascular Medicine Mayo Clinic Rochester Minnesota USA
6. Intermountain Heart Institute—Utah Valley Provo Utah USA