Wunnapuk, Klintean
Pothirat, Chaicharn
Manokeaw, Siriphorn
Phetsuk, Nittaya
Chaiwong, Warawut
Phuackchantuck, Rochana
Prapamontol, Tippawan
Funding for this research was provided by:
Thailand Research Fund (MRG5980190)
Faculty of Medicine, Chiang Mai University (013/2560)
Article History
Received: 27 November 2018
Accepted: 29 May 2019
First Online: 29 June 2019
Compliance with ethical standards
: This study was carried out in compliance with the Code of Ethics of the World Medical Association (Declaration of Helsinki) and approved by the Ethics Committee of the Faculty of Medicine, Chiang Mai University, Thailand.
: The authors declare that they have no conflict of interest.