This project has been approved by the NYU Institutional Review Board with exempt status.

The people authorized to access the full data (i.e., with optional de-anonymization) are:

For information about the project, these people may be reached at Julian and Ari were IRB-approved as NYU affiliates. Besides these five, the rest of the research team only had access to fully-anonymized data, and only statistical aggregations designed to prevent potential deanonymization are made public.