Funding for this research was provided by:
National Institute on Minority Health and Health Disparities (R01MD010678)
Received: 27 August 2019
Accepted: 1 November 2019
First Online: 1 December 2019
Ethics approval and consent to participate
: The study was approved by the internal review boards of the University of California San Francisco and the Jiangsu Provincial Center for Diseases Control and Prevention.
: All presentations of the data have consent for publication.
: The authors declare that they have no competing interests.