@article{Chunara2013,
author = {Chunara, R. and Bouton, L. and Ayers, J.W. and Brownstein, J.S.},
title= {Assessing the online social environment for surveillance of obesity prevalence},
year = {2013},
doi = {10.1371/journal.pone.0061373},
volume = {8},
number = {4},
pages = {1--8},
}