Funding for this research was provided by:
Fogarty International Center, National Institute of Health, USA (1R03TW007655)
Text and Data Mining valid from 2018-06-26
Received: 10 July 2017
Accepted: 28 March 2018
First Online: 26 June 2018
Ethics approval and consent to participate
: The study protocol was approved by the Joint Chinese University of Hong Kong - New Territories East Cluster Clinical Research Ethics Committee (Ref: CRE-2007.424). Written informed consent was obtained from all participants before they join the study.
: Not applicable.
: The authors declare that they have no competing interests.
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