Funding for this research was provided by:
Khon Kaen University
Text and Data Mining valid from 2018-03-27
Received: 5 October 2017
Accepted: 6 March 2018
First Online: 27 March 2018
Ethics approval and consent to participate
: The manuscript adheres to the guidelines and principles by the Declaration of Helsinki. Institutional review board (IRB) approval was obtained from Khon Kaen University, Thailand, numbered HE581497 and Khon Kaen Hospital, Thailand, numbered KE59045.The clinical trial was registered in Thai Clinical Trials Registry study ID: TCTR20160818004.
: Not applicable
: The authors declare that they have no competing interests.
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