Lin, Jiangtao
Fu, Xiuhua
Jiang, Ping
Song, Weidong
Hu, Xiaoyun
Jie, Zhijun
Liu, Chuntao
He, Zhengguang
Zhou, Xiangdong
Tang, Huaping
Funding for this research was provided by:
Study design; collection, analysis, and interpretation of data; and medical writing support were funded by AstraZeneca, China. (-)
Article History
Received: 22 February 2019
Accepted: 30 January 2020
First Online: 9 April 2020
Ethics approval and consent to participate
: Written consent was obtained from all patients. The study was conducted in accordance with the principles of the Declaration of Helsinki and Good Clinical Practice guidelines. Ethical approval was obtained from the ethics committee of the China-Japan Friendship Hospital, Beijing, China, the principal site, and from the local ethics committee at each site.
: Not applicable.
: The authors declare that they have no competing interests.