Using a Designathon to Develop an HIV Self-Testing Intervention to Improve Linkage to Care Among Youths in Nigeria: Qualitative Approach Based on a Participatory Research Action Framework. - Idigbe, Ifeoma; Gbaja-Biamila, Titilola; Asuquo, Sarah; Nwaozuru, Ucheoma; Obiezu-Umeh, Chisom; Tahlil, Kadija M; Musa, Adesola Zaidat; Oladele, David; Kapogiannis, Bill; Tucker, Joseph; Iwelunmor, Juliet; Ezechi, Oliver (JMIR Formative Research, 2023)