Funding for this research was provided by:
Hong Kong Association for the Study of Obesity (HKASO) research grant
Received: 22 February 2018
Accepted: 26 June 2018
First Online: 3 July 2018
Ethics approval and consent to participate
: The study protocol followed the Declaration of Helsinki guidelines and was approved by the Clinical Research Ethics Committee of The Chinese University of Hong Kong-Prince of Wales Hospital (CREC reference number 2016.126). All the participants provided informed written consent.
: Not applicable.
: The authors declare that they have no competing interests.
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