Addressing Tobacco-Related Disparities Among Youth Experiencing Homelessness by Engaging Youth Collaborators in Intervention Research: Protocol for a Multimethod, Community-Based Participatory Research Study. - Lopez AR; Lim AC; Escobedo R; Chung N; Chien L; Calzo JP; Urada L; Aceves B; Jellá S; Smiley SL; Felner JK (JMIR research protocols, 2025)