Funding for this research was provided by:
National Research Council of Thailand
Text and Data Mining valid from 2018-12-01
Received: 11 July 2018
Accepted: 30 November 2018
First Online: 12 December 2018
Ethics approval and consent to participate
: This study was approved by the Central Research Ethics Committee of Thailand and independent ethics committees of each site (Faculty of Medicine, Chiang Mai University, Prince of Songkla University Hospital, Songkla Rajanagarindra Psychiatric Hospital, and Prasart Neurological Institute). All procedures performed in the study involving human participants were conducted in accordance with the ethical standards of the institutional and/or national research committee. All participants signed informed consent forms.
: Not Applicable.
: The authors declare that they have no competing interests.
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