Nian, Qinghua
Hardesty, Jeffrey J
Cohen, Joanna E
Kennedy, Ryan D
Funding for this research was provided by:
Bloomberg Philanthropies (47580, 47580, 47580, 47580)
Article History
Received: 13 September 2022
Accepted: 20 April 2023
First Online: 11 May 2023
Declarations
:
: The Johns Hopkins Bloomberg School of Public Health institutional review board approved study procedures and all participants provided informed consent (IRB#: 8342). Oral informed consent was obtained from all participants prior to participation. If people who were illiterate attempted to enroll, they provided oral consent after listening to a recording of the consent form text. Also, data collectors were instructed to read the survey questions and response options out loud for persons who had questions or needed additional information. All methods were carried out in accordance with relevant guidelines and regulations.
: Not applicable.
: The authors declare that they have no competing interests.