Received: 27 March 2020
Accepted: 7 September 2020
First Online: 14 September 2020
Ethics approval and consent to participate
: Written informed consent was obtained from participants prior to each interview. The study was approved by the Ethics Committee from Chiang Mai University (No. 6398/2562). The Morisky Green Levine (MGL) Medication Adherence scale is in the public domain and is not the copyrighted Morisky Medication Adherence Scale: MMAS-8 or MMAS-4. The authors (CA) obtain the original MGL questionnaire from Morisky Medication Adherence Research, LLC which allowed consultations with Dr. Morisky. This paid invoice and information exchange has been made available to the Editor of the journal.
: not applicable.
: The authors declare that they have no competing interests.