Participatory Development and Assessment of Audio-Delivered Interventions and Written Material and Their Impact on the Perception, Knowledge, and Attitudes Toward Leprosy in Nigeria: Protocol for a Cluster Randomized Controlled Trial - Ngozi Murphy-Okpala; Tahir Dahiru; Anna T van ’t Noordende; Carolin Gunesch; Joseph Chukwu; Charles Nwafor; Suleiman Hudu Abdullahi; Chukwuma Anyaike; Ugochinyere Angelic Okereke; Anthony Meka; Chinwe Eze; Okechukwu Ezeakile; et al. (JMIR Research Protocols, 2024)