Protocol for a systematic review: Community‐oriented policing's impact on interpersonal violent crime in developing countries. Issue 1 (2nd May 2013) - Higginson, Angela; Mazerolle, Lorraine; Davis, Jacqueline; Bedford, Laura; Mengersen, Kerrie; Somerville, with Adele; Thompson, Jenna; Ham, Kathryn; Williamson, Harley