Sapbamrer, Ratana https://orcid.org/0000-0003-0379-2798
Khacha-ananda, Supakit
Sittitoon, Nalin
Wunnapuk, Klintean
Seesen, Mathuramat
Sidthilaw, Sutthinee
Chittrakul, Jiraporn
Suwannakul, Boonsita
Funding for this research was provided by:
Faculty of Medicine Research Fund, Chiang Mai University (Grant no.077/2561)
Article History
Received: 18 October 2018
Accepted: 19 February 2019
First Online: 21 March 2019
Compliance with ethical standards
: The study was approved by the Research Ethics Committee of the Faculty of Medicine, Chiang Mai University, Thailand (No. 485/2017).
: The authors declare that they have no competing interests.