Tropical Medicine and Health Tropical Medicine and Health, Japanese Society of Tropical Medicine, 2018, 46, pp.45. ⟨10.1186/s41182-018-0128-3⟩ Tropical Medicine and Health, Vol 46, Iss 1, Pp 1-5 (2018) Tropical Medicine and Health, 2018, 46, pp.45. ⟨10.1186/s41182-018-0128-3⟩