Mobile Phone Usage and Willingness to Use Mobile Phones to Support Medication Adherence and Receive Text Message Appointment Reminders in Older Outpatients With Type 2 Diabetes. - Vu HTT; Nguyen TTH; Luu MN; Nguyen TP; Nguyen HTT; Nguyen TN; Nguyen TX; Ha LVH; Thillainadesan J; Naganathan V; Do TTT; Nguyen AT (Journal of diabetes science and technology, 2026)