Buckley Jessie P, Samet Jonathan M, Richardson David B
From the aDepartment of Epidemiology, School of Public Health, University of North Carolina at Chapel Hill, Chapel Hill, NC; and bDepartment of Preventive Medicine, Keck School of Medicine, Institute for Global Health, University of Southern California, Los Angeles, CA.
Epidemiology. 2014 Mar;25(2):242-5. doi: 10.1097/EDE.0000000000000051.