Funding for this research was provided by:
Hong Kong Council on Smoking and Health
Text and Data Mining valid from 2018-07-04
Received: 19 April 2018
Accepted: 29 June 2018
First Online: 4 July 2018
Ethics approval and consent to participate
: The study has been approved by the research ethics committee of the University of Hong Kong and the Hong Kong West Cluster of the Hospital Authority (IRB reference no.: UW16–320). The trial was registered at ExternalRef removed as NCT02804880. The study poses a minimal additional risk to study participants. Written consent will be obtained from the eligible participants for their voluntary participation in the study and agreement to allow us to transfer their contact information to their chosen SC service providers.
: Not applicable.
: Dr. Man Ping Wang is an Associate Editor for BMC Public Health. The other authors declare that they have no competing interests.
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