Funding for this research was provided by:
The Chinese University of Hong Kong Research Committee Funding (MD13784)
Text and Data Mining valid from 2018-05-15
Received: 20 June 2017
Accepted: 2 May 2018
First Online: 15 May 2018
Ethics approval and consent to participate
: The study complies with the Declaration of Helsinki, and has been approved by the Joint Chinese University of Hong Kong – New Territories East Cluster Clinical Research Ethics Committee. (CREC no. 2014.059). Written inform consent was obtained from all participants.
: The authors declare that they have no competing interests.
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