Olsen Emily O'Malley, O'Donnell Julie, Mattson Christine L, Schier Joshua G, Wilson Nana
Division of Unintentional Injury Prevention, National Center for Injury Prevention and Control, CDC.
MMWR Morb Mortal Wkly Rep. 2019 Apr 12;68(14):326-327. doi: 10.15585/mmwr.mm6814a2.