Division of Cardiology;
Department of Medicine;
Faculty of Medicine Siriraj Hospital;
Mahidol University;
Bangkok;
Thailand;
Faculty of Medicine;
Chiang Mai University;
Chiang Mai;
Thailand;
Chonburi Hospital;
Chonburi;
Thailand;
Nakornping Hospital;
Chiang Mai;
Thailand;
Prapokklao Hospital;
Chanthaburi;
Thailand;
Phramongkutklao College of Medicine;
Mahidol University;
Bangkok;
Thailand;
Faculty of Medicine;
Thammasat University;
Pathum Thani;
Thailand;
Anticoagulant; use; Multicenter; registry; Non-valvular; atrial; fibrillation; Older; Thai; adults;