Li, Mingshuang
Cao, Man
Sun, Jing
Jiang, Yu
Liu, Yuanli
Funding for this research was provided by:
National Health Commission of China (National Healthcare Improvement Initiative 2019)
Article History
Received: 8 January 2020
Accepted: 8 April 2020
First Online: 28 April 2020
Ethics approval and consent to participate
: The Ethics Committee approved the National Healthcare Improvement Initiative survey of the Peking Union Medical College.
: Not applicable, the manuscript does not contain any individual’s data in any form of individual details, images, or videos.
: The authors declare that they have no competing interests.