[1] Tufts Univ, Gerald J & Dorothy R Friedman Sch Nutr Sci & Poli, Medford, MA 02155 USA
[2] Wake Forest Univ, Bowman Gray Sch Med, Dept Biostat & Data Sci, Winston Salem, NC 27101 USA
[3] UC San Diego Hlth, San Diego, CA USA
[4] Harvard Med Sch, Boston, MA 02115 USA
[5] Univ North Carolina UNC, Dept Med, Sch Med, Chapel Hill, NC USA
[6] UNC Gillings Sch Global Publ Hlth, Dept Hlth Policy & Management, Chapel Hill, NC USA
[7] UNC Gillings Sch Global Publ Hlth, Dept Epidemiol, Chapel Hill, NC USA