Health outcomes, pathogenesis and epidemiology of severe acute malnutrition (HOPE-SAM): rationale and methods of a longitudinal observational study - Bwakura-Dangarembizi, M; Amadi, B; Bourke, C; Robertson, R; Mwapenya, B; Chandwe, K; Kapoma, C; Cifunda, K; Majo, F; Ngosa, D; Chakra, P; Chuku, N; et al. (BMJ Open, 2019)