1. Neurophysiology Unit, Cardiac Electrophysiology Research and Training Center, Chiang Mai University, Chiang Mai, Thailand
2. Sriphat Medical Center, Chiang Mai University, Chiang Mai, Thailand
3. Department of Rehabilitation Medicine, Chiang Mai University, Chiang Mai, Thailand
4. Center of Excellence in Cardiac Electrophysiology Research, Chiang Mai University, Chiang Mai, Thailand
5. Department of Oral Biology and Diagnostic Sciences, Faculty of Dentistry, Chiang Mai University, Chiang Mai, Thailand