Development and Evaluation of an HIV-Testing Intervention for Primary Care: Protocol for a Mixed Methods StudyBackgroundObjectiveMethodsResultsConclusionsTrial RegistrationInternational Registered Report Identifier (IRRID), Apers, Hanne, Vuylsteke Bea, Loos Jasna, Smekens Tom, Deblonde Jessika, Van Beckhoven Dominique, and Nöstlinger Christiana , JMIR Research Protocols, Jan-01-2020, Volume 9, Issue 8, (2020)