[1
]
Carolina Population Center, University of North Carolina-Chapel Hill, Chapel Hill,
NC. Electronic address: ben_capistrant@unc.edu.
[2
]
Department of Social and Behavior Sciences, Harvard School of Public Health, Boston,
MA; Department of Epidemiology, Harvard School of Public Health, Boston, MA; Harvard
Center for Development and Population Studies, Harvard University, Cambridge, MA.
[3
]
Department of Social and Behavior Sciences, Harvard School of Public Health, Boston,
MA.