Funding for this research was provided by:
CAMS Initiative for Innovative Medicine (2017-I2M-1-005)
Text and Data Mining valid from 2020-04-06
Received: 12 May 2019
Accepted: 23 March 2020
First Online: 6 April 2020
Ethics approval and consent to participate
: The research protocol for phase 3 study was reviewed and approved by the Ethics Committee of Cancer Institute and Hospital Board Affiliation of Chinese Academy of Medical Sciences (07–10/213). All patients provided written informed consent prior to participation, including for audio-recording of interviews and telephone consultations.
: Not applicable.
: The authors declare that they have no competing interests.