A study protocol for a European, mixed methods, prospective, cohort study of the effectiveness of naloxone administration by community members, in reversing opioid overdose: NalPORS

• Nicola MetrebianKing's College London
• Ben CarterKing's College London
• Desiree EideKing's College London
• Rebecca McDonaldKing's College London
• Joanne NealeKing's College London
• Stephen ParkinKing's College London
• Teodora DascalKing's College London
• Clare J. MackieKing's College London
• Ed DayBirmingham and Solihull Mental Health NHS Foundation Trust
• Joar GuterstamRegion Stockholm
• Kirsten Horsburgh
• Martin KåbergKarolinska Institutet
• Mike KelleherSouth London and Maudsley NHS Foundation Trust
• Josie SmithPublic Health Wales
• Henrik ThiesenCopenhagen Municipality
• John StrangKing's College London