%0 Journal Article %@ 1438-8871 %I JMIR Publications %V 18 %N 8 %P e219 %T The Importance of Debiasing Social Media Data to Better Understand E-Cigarette-Related Attitudes and Behaviors %A Allem,Jon-Patrick %A Ferrara,Emilio %+ Keck School of Medicine, Department of Preventive Medicine, University of Southern California, 2001 N. Soto Street, 3rd Floor Mail, Los Angeles, CA, 90032, United States, 1 8586030812, allem@usc.edu %K Internet %K surveillance %K electronic cigarettes %K Twitter %K social media %D 2016 %7 09.08.2016 %9 Letter to the Editor %J J Med Internet Res %G English %X %M 27507563 %R 10.2196/jmir.6185 %U http://www.jmir.org/2016/8/e219/ %U https://doi.org/10.2196/jmir.6185 %U http://www.ncbi.nlm.nih.gov/pubmed/27507563