Assawapalanggool, Srisuda
Kasatpibal, Nongyao
Sirichotiyakul, Supatra
Arora, Rajin
Suntornlimsiri, Watcharin
Apisarnthanarak, Anucha
Article History
Received: 4 May 2017
Accepted: 15 January 2018
First Online: 22 January 2018
Ethics approval and consent to participate
: This study was approved by the Research Ethics Committee 4, Faculty of Medicine, Chiang Mai University (reference no. 186/2013).
: Consent for publication is not applicable.
: The authors declare that they have no competing interests.
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