Authors: Daniel J Barnett; Carol B Thompson; Nicole A Errett; Natalie L Semon; Marilyn K Anderson; Justin L Ferrell; Jennifer M Freiheit; Robert Hudson; Michelle M Koch; Mary McKee; Alvaro Mejia-Echeverry; James Spitzer; Ran D Balicer; Jonathan M Links Journal: BMC Public Health Date: 2012-03-07 Impact factor: 3.295