Funding for this research was provided by:
US Centres for Disease Control and Prevention (U2G GH000770)
Received: 9 August 2019
Accepted: 14 January 2020
First Online: 20 January 2020
Ethics approval and consent to participate
: Ethical approval for this study was obtained from the Institutional Review Boards (IRBs) of: OrderedList removedConsent to participate was obtained from patients at the point of initiation into care. Patients included gave written permission for the further research use of their samples and data (Harvard T. H. Chan School of Public Health, Dept. of Immunology & Infectious Diseases, U.S.A. Protocol #16506).The study was reviewed according to the Centers for Disease Control and Prevention (CDC) human research protection procedures and was approved as research, but CDC was not engaged.
: Not applicable as individually identifiable data is not used.
: The authors declare that they have no competing interests.