**Principal Investigator(s):**
**Sean Ingham**
University of California, San Diego
Email: [singham@ucsd.edu][1]
Home page: [https://www.seaningham.org/][2]
**Sample size**: 5758
**Field period**: 11/24/2013-02/21/2014
*Further information about this study is not available at this time.*
[1]: mailto:singham@ucsd.edu
[2]: https://www.seaningham.org/