1. Australian Defence Force Malaria and Infectious Disease Institute, Weary Dunlop Drive, Gallipoli Barracks, Enoggera, QLD 4051, Australia
2. Queensland Institute of Medical Research-Berghofer Medical Research Institute, Heston, QLD 4029, Australia
3. Operational Health, Joint Health Command, Canberra, ACT 2600, Australia
4. Health Services, Papua New Guinea Defence Force, Port Moresby 121, Papua New Guinea