Published on in Vol 7, No 7 (2018): July
1 Department of Statistics, Harvard University, Cambridge, MA, United States
2 Department of Psychiatry and Addiction Center, University of Michigan, Ann Arbor, MI, United States
3 Department of Emergency Medicine, University of Michigan Medical School, Ann Arbor, MI, United States
4 Injury Prevention Center, University of Michigan, Ann Arbor, MI, United States
5 School of Public Health, University of Michigan, Ann Arbor, MI, United States
6 Institute for Social Research, University of Michigan, Ann Arbor, MI, United States
7 School of Information, University of Michigan, Ann Arbor, MI, United States