Marcu, GabrielaHardin, AmberAtaiants, JannaRoth, AlexisLankenau, Stephen E.Schwartz, David G.2021-11-042021-11-042021https://dl.eusset.eu/handle/20.500.12015/4236enpeer supportbystander interventioncommunity-based interventionpublic healthemergency responsesubstance useUnityPhilly: Experiences with a Smartphone App that Facilitates Community Response to Opioid OverdosesConference Paper10.1145/3461564.3461593