Arnold Ventures, the California Wellness Foundation, the Columbia Scientific Union for the Reduction of Gun Violence (SURGE), Fund for a Safer Future, the Harry Frank Guggenheim Foundation, Johns Hopkins Bloomberg School of Public Health Center for Gun Violence Solutions, the Joyce Foundation, Kaiser Permanente Center for Gun Violence Research & Education/The Health Alliance for Violence Intervention, the Missouri Foundation for Health, the National Collaborative on Gun Violence Research (NCGVR), Northwell Health Center for Gun Violence Prevention, the Robert Wood Johnson Foundation, Rutgers New Jersey Gun Violence Research Center, The Tow Foundation, the University of Colorado Firearm Injury Prevention Initiative, the University of Michigan Institute for Firearm Injury Prevention, the University of Washington Firearm Injury & Policy Research Program