Funding for this research was provided by:
National Institutes of Health (HHSN268201100007I)
Received: 18 May 2020
Accepted: 19 August 2020
First Online: 27 August 2020
Ethics approval and consent to participate
: Ethical approval, including a waiver of consent for deceased patients, was granted by the University of California, San Francisco Institutional Review Board (IRB), the Brazilian National Ethical Committee for Research and each participating center IRB. All living participants gave written informed consent for participation. All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
: Not applicable.
: The authors declare that they have no competing interests.