Dermatological changes in a prospective cohort of acutely ill, hospitalised Malawian children, stratified according to nutritional status by van den Brink, D, Mponda, K, Thompson, D, van Hees, C, Ngong'a, F, Segula, E, Mbale, E, Boele van Hensbroek, M, Bandsma, RHJ, Walson, JL, Brals, D, Berkely, J, Voskuijl, W