1. Department of Medical Microbiology, Radboud University Medical Center, Nijmegen, the Netherlands
2. Department of Medical Microbiology and Infectious Diseases, University Medical Center Rotterdam, Rotterdam, the Netherlands
3. Department of Public Health, University Medical Center Rotterdam, Rotterdam, the Netherlands
4. Department of Internal Medicine, Radboud University Medical Center, Nijmegen, the Netherlands
5. PATH Malaria Vaccine Initiative, Washington, DC, USA
6. Clinical Tropical Medicine Laboratory, QIMR Berghofer Medical Research Institute, Brisbane, Australia