MEdication Counselling Models for Outpatient oRal antIcoaguLation

Inclusion Criteria: * ≥18 years old * taking oral anticoagulants * using smartphones that can access the telepharmacy application * agreeing to participate Exclusion Criteria: * pregnancy or lactation * having cancer * having immunodeficiency disorders or using immunosuppressants * renal impairment (creatinine clearance \<30 mL/min) * hepatic impairment (Child-Pugh B or C cirrhosis) * heart failure (class IV, New York Heart Association) * history of myocardial infarction or stroke within the latest 2 months