Thongpibul, Kulvadee
Varnado, Pairada
Wongpakaran, Nahathai http://orcid.org/0000-0001-8365-2474
Wongpakaran, Tinakon
Kuntawong, Pimolpun
Wedding, Danny
Article History
Received: 21 May 2019
Accepted: 26 July 2019
First Online: 5 August 2019
Ethics approval and consent to participate
: This project was approved by the IRB of the Faculty of Medicine, Chiang Mai University. All participants were informed about the study and written informed consents were obtained from all participants.
: Not applicable.
: The authors declare that they have no competing interests.