Funding for this research was provided by:
Biotechnology and Biological Sciences Research Council (BB/M022811/1)
Text and Data Mining valid from 2019-06-13
Received: 4 February 2019
Accepted: 4 June 2019
First Online: 13 June 2019
Ethics approval and consent to participate
: This work was approved by the Institutional Review Board for Human Research of the Faculty of Medicine, Chulalongkorn University, Thailand (IRB No. 104/59). Written consent was obtained from all participants or from their parents or guardians prior to admission into the study.
: Not applicable.
: The authors declare that they have no competing interests.