Associations between violence in childhood, depression and suicide attempts in adolescence: evidence from a cohort study in Luwero district, Uganda by Akunzirwe, R, Carter, DJ, Hanna, L, Zinke-Allmang, A, Akim, A, Datzberger, S, Parkes, J, Knight, L, Atuhaire, L, Nakuti, J, Mirembe, A, Allen, E, Naker, D, Devries, K, Bhatia, A