Funding for this research was provided by:
Health and Medical Research Fund (16173011)
The Chinese University of Hong Kong (4054351)
Received: 25 March 2019
Accepted: 10 August 2019
First Online: 29 August 2019
Ethics approval and consent to participate
: Ethical approval of the protocol and informed consent forms has been granted from the Clinical Research Ethics Committee (CREC), CREC Reference number 2016.617-T (Additional file InternalRef removed).All subjects will be given a detailed explanation of the trial, and their permission will be obtained before they are recruited into the study. A written consent form will be signed by the patient (Additional files InternalRef removed and InternalRef removed).
: Not applicable.
: The authors declare that they have no competing interests.