Medical informatics in medical research - the Severe Malaria in African Children (SMAC) Network's experience by Olola, CHO, Missinou, MA, Issifou, S, Anane-Sarpong, E, Abubakar, I, Gandi, JN, Chagomerana, M, Pinder, M, Agbenyega, T, Kremsner, PG, Newton, CRJC, Wypij, D, Taylor, TE