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Additional Information

Competing Interests

The authors declare that they have no competing interests.

Author Contributions

Adam L Beckman conceived and designed the experiments, performed the experiments, analyzed the data, wrote the paper, prepared figures and/or tables.

Magdelana M Wilson conceived and designed the experiments, performed the experiments, analyzed the data, wrote the paper.

Vishaal Prabhu conceived and designed the experiments, performed the experiments, analyzed the data, reviewed drafts of the paper.

Nicola Soekoe conceived and designed the experiments, performed the experiments, analyzed the data, reviewed drafts of the paper.

Humberto Mata conceived and designed the experiments, analyzed the data, reviewed drafts of the paper.

Lauretta E Grau conceived and designed the experiments, analyzed the data, wrote the paper.

Human Ethics

The following information was supplied relating to ethical approvals (i.e., approving body and any reference numbers):

Yale University Human Subjects Committee, IRB Protocol #1304011872

Data Deposition

The following information was supplied regarding data availability:

Not applicable to a qualitative study.

Funding

Funding was provided by the Yale Collaborative Action Project, supported by the Maureen and Antoine Chiquet Fund, the Thomas Barry Travel Fellowship, and the Curtis Heaney Memorial Fellowship at the Yale School of the Public Health. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.


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