1. From the Shoklo Malaria Research Unit, Mae Sot, Thailand; the Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand; the Centre for Tropical Medicine, Nuffield Department of Medicine, John Radcliffe Hospital, Oxford, United Kingdom; the Department of Paediatrics, Royal Postgraduate Medical School, Hammersmith Hospital, London; the Institute of Nutrition, Friedrich-Schiller Universit