Government of the United States of America - Laboratory of Malaria and Vector Research, Ministry of Health, Cambodia - International Center of Excellence in Research, University of California, Irvine - Wen School of Population and Public Health, Government of the United States of America - Laboratory of Malaria and Vector Research, Royal Government of Cambodia - Ministry of Health, Cambodia, Frederick National Laboratory for Cancer Research - Clinical Monitoring Research Program Directorate, National Institutes of Health (NIH) - International Center of Excellence in Research, National Institutes of Health (NIH) - International Center of Excellence in Research, Government of the United States of America - Laboratory of Malaria and Vector Research, National Institutes of Health (NIH) - International Center of Excellence in Research, National Institutes of Health (NIH) - International Center of Excellence in Research, National Institutes of Health (NIH) - International Center of Excellence in Research, Government of the United States of America - Vector Molecular Biology Section, Government of the United States of America - Biostatistics Research Branch, National Institutes of Health (NIH) - International Center of Excellence in Research, Ministry of Health, Cambodia - National Center for Parasitology, Entomology, and Malaria Control, Royal Government of Cambodia - Ministry of Health, Cambodia, Ministry of Health - National Center for Parasitology, Entomology, and Malaria Control and Government of the United States of America - Laboratory of Emerging Pathogens