Web search activity data accurately predict population chronic disease risk in the USA
Thin Nguyen, Truyen Tran, Wei Luo, Sunil Gupta, Santu Rana, Dinh Phung, Melanie Nichols, Lynne Millar, Svetha Venkatesh, Steve Allender
J Epidemiol Community Health Jul 2015, 69 (7) 693-699; DOI: 10.1136/jech-2014-204523