Evaluating the PATHFAST TB LAM Ag assay as a treatment monitoring tool for pulmonary tuberculosis: protocol for a prospective longitudinal study in Nairobi, Kenya. - Takaizumi Y; Kinoti J; Hikone M; Orina F; Meme H; Ong'ang'o JR; Muriithi B; Mueni E; Kaneko S; MacLean EL; Sato S; Saito N (BMJ open, 2026)