Funding for this research was provided by:
Research Grants Council, University Grants Committee (GRF 17146616, GRF 17125114)
National Natural Science Foundation of China (81601423)
Health and Medical Research Fund (12133701)
Text and Data Mining valid from 2018-05-03
Received: 6 December 2017
Accepted: 9 April 2018
First Online: 3 May 2018
Ethics approval and consent to participate
: This study was approved by the Institutional Review Board (IRB) of the University of Hong Kong/Hospital Authority Hong Kong West Cluster (IRB reference number UW 07-119); the IRB of Anhui Medical University (IRB reference number 2014-050); the IRB of the Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand (IRB number 569/57); and the Research Ethics Committee in the United Kingdom (REC reference 12/LO/1273). Informed consent was given by all individuals involved.
: The authors declare that they have no competing interests.
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