US Department of Health and Human Services / NSFG Unit of Analysis Approximate Birth / National Institute on Drug Abuse / Spencer Foundation / Survey Research Center / Occupy Wall Street / federal government / American Youth∗ Robert D. Putnam Carl B. Frederick Kaisa Snellman Harvard Kennedy School / Little League / Centre for Time Use Research / the University of Michigan / Stanford University / National Center for Health Statistics / /
Person
Evrim Altintas / Tom Sander / Kelly A. Musick / William J. Wilson / Matt Wright / /