Arrhythmias, Cardiac

• Miami VA Healthcare System — Miami, Florida, United States
• UPR University Hospital at Carolina — Carolina, Puerto Rico
• UDH University Hospital at Centro Medico — San Juan, Puerto Rico

• Vancouver Stroke Program — Vancouver, British Columbia, Canada

• Local Institution — Minato-ku, Tokyo, Japan

• Winchester Medical Center — Winchester, Virginia, United States

• Vanderbilt University Medical Center — Nashville, Tennessee, United States

• Stanford University School of Medicine — Stanford, California, United States

Not specified

• SarawakHC — Kuching, Sarawak, Malaysia

• Srinagarind Hospital and Queen Sirikit Heart Center of the Northeast — Khon Kaen, Muang District, Thailand
• Bangkok Heart Hospital — Bangkok, Thailand
• Bhumibol Adulyadej Hospital — Bangkok, Thailand
• Bangkok Hospital Chiang Mai — Chiang Mai, Thailand

• The First Hospital of Lanzhou University — Lanzhou, Gansu, China
• The Second Hospital of Hebei Medical University — Shijiazhuang, Hebei, China
• Ganzhou Municipal Hospital — Ganzhou, Jiangxi, China
• The Second Affiliated Hospital of Nanchang University — Nanchang, Jiangxi, China