Introduction
Christopher JM Whitty FRCP FFPH DTM&H is a Consultant Physician at the Hospital for Tropical Diseases and University College London Hospitals NHS Trust, and Professor of International Health at the London School of Hygiene & Tropical Medicine, UK. Competing interests: none declared
Philip Gothard MRCP is a Consultant Physician at the Hospital for Tropical Diseases, University College London Hospitals NHS Foundation Trust, UK. Competing interests: none declared
PII: S1357-3039(09)00287-4
doi:10.1016/j.mpmed.2009.09.022
© 2009 Elsevier Ltd. All rights reserved.
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