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
The authors have declared that no competing interests exist.
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.