Peng, Ke
Liu, Hueiming
Zhang, Jing
Yang, Minghui
Liu, Yishu
Tian, Maoyi
Chu, Hongling
Wu, Xinbao
Ivers, Rebecca
Article History
First Online: 19 June 2020
Compliance with ethical standards
: Ethics approval was obtained from Peking University Health Science Centre ethics committee and JSTH ethics committee. All interviewees gave written consent to participate in the study.
: None