Helen Margellos-Anast, MPH
![142nd APHA Annual Meeting and Exposition (November 15 - November 19, 2014): http://www.apha.org/events-and-meetings/annual](images/banner.jpg)
Senior Epidemiologist
Sinai Health System
Chicago,
IL
USA
helen.margellos@sinai.org
Senior Epidemiologist
Sinai Health System
Chicago,
IL
USA
helen.margellos@sinai.org