Mid-level managers’ perspectives on implementing isoniazid preventive therapy for people living with HIV in Ugandan health districts: a qualitative study oleh Canice Christian, Elijah Kakande, Violah Nahurira, Cecilia Akatukwasa, Fredrick Atwine, Robert Bakanoma, Harriet Itiakorit, Asiphas Owaraganise, William DiIeso, Derek Rast, Jane Kabami, Jason Johnson Peretz, Starley B. Shade, Moses R. Kamya, Diane V. Havlir, Gabriel Chamie, Carol S. Camlin