AUTHOR=Leiner Marie , De la Vega Izul , Johansson Bert TITLE=Deadly Mass Shootings, Mental Health, and Policies and Regulations: What We Are Obligated to Do! JOURNAL=Frontiers in Pediatrics VOLUME=6 YEAR=2018 URL=https://www.frontiersin.org/journals/pediatrics/articles/10.3389/fped.2018.00099 DOI=10.3389/fped.2018.00099 ISSN=2296-2360