title: Evidence is missing to diagnose a public health tragedy.
authors.affiliation: Department of Politics, Drexel University, Philadelphia, PA, USA. Electronic address: jat368@drexel.edu.
authors.forename: José A
authors.initials: JA
authors.lastname: Tapia Granados
authors.affiliation: Mathematica Policy Research and Population Studies Center, Institute for Social Research, Ann Arbor, MI, USA.
authors.forename: Javier
authors.initials: J
authors.lastname: Rodriguez