Hilary F. Byrnes, Ph.D.
Hilary F. Byrnes, Ph.D.
![142nd APHA Annual Meeting and Exposition (November 15 - November 19, 2014): http://www.apha.org/events-and-meetings/annual](images/banner.jpg)
Associate Research Scientist
Pacific Institute for Research and Evaluation
Oakland,
CA
USA
hbyrnes@prev.org
5004.0 Using GPS-enabled cell phones to examine adolescent travel patterns and exposure to alcohol outlets