Funding for this research was provided by:
Hospital Authority (Not applicable)
Pok Oi Hospital-The Chinese University of Hong Kong Chinese Medicine Centre for Training and Research (Not Applicable)
Received: 29 November 2018
Accepted: 11 July 2019
First Online: 7 August 2019
Ethics approval and consent to participate
: The study received full ethical approval from the Joint Chinese University of Hong Kong–New Territories East Cluster Clinical Research Ethics Committee (CREC Ref. No. 2017.600-T, approved 27 January 2018). Any changes to the protocol will be reported to the committee. This study is conducted in compliance with the Declaration of Helsinki and the ICH-GCP. Written informed consent will be obtained from all participants in the trial before enrollment.
: Not applicable.
: The authors declare that they have no competing interests.