About the Authors

Lai-Ha Chan
UTS China Research Centre, University of Technology, Sydney, Australia

Lucy Chen
Institute for Global Health, Peking University, Beijing, China

Jin Xu
Health Science Center, Peking University, Beijing, China

Corresponding Author


Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

ICMJE criteria for authorship read and met: LHC LC JX. Wrote the first draft of the paper: LHC. Contributed to the writing of the paper: LHC LC JX. Enrolled interviewees: JX.