Funding for this research was provided by:
Thailand Research Fund (DPG6280003)
Chiang Mai University Research Fund (CMU-2563)
Received: 30 July 2020
Accepted: 29 September 2020
First Online: 15 October 2020
Ethics approval and consent to participate
: This study was approved by the Institutional Review Boards; The Research Ethics Committee 4; Faculty of Medicine, Chiang Mai University. Study Code: OBG-2562-06069 / Research ID: 06069.All participants were recruited with written informed consent.
: The Informed Consent Forms which all participants signed included consent for publication of their data. Data were de-identified after collection and participants were allocated codes for analysis and pseudonyms for publication.