HIV clinical outcomes among people with HIV and diabetes mellitus in Kampala, Uganda; A matched retrospective cohort study - Rita Nakalega; Fred Collins Semitala; Edrisa Ibrahim Mutebi; Denis Mawanda; Zubair Lukyamuzi; Robert Menge; Juliet Allen Babirye; Sharon Miriam Namiiro; Cleopatra Daphne Kugonza; Nelson Mukiza; Andrew Mujugira (PLOS Global Public Health)