Nicole Vaughn, PhD
![142nd APHA Annual Meeting and Exposition (November 15 - November 19, 2014): http://www.apha.org/events-and-meetings/annual](images/banner.jpg)
Drexel University
Philadelphia,
PA
USA
nav29@drexel.edu
Drexel University
Philadelphia,
PA
USA
nav29@drexel.edu