About the Authors
Cambridge Institute for Medical Research, University of Cambridge School of Clinical Medicine, Cambridge, United Kingdom
Institute of Endemic Diseases, University of Khartoum, Khartoum, Sudan
The authors have declared that no competing interests exist.
E. N. Miller helped supervise the study in the laboratory, participated in the fieldwork, supervised the data entry and looked after the database, and carried out most of the genetic statistical analysis. M. Fadl, H. S. Mohamed, and A. Elzein assisted with the field work and preparation of DNA, and carried out the genotyping for the primary genome scan. M. Fadl, M. Fakiola, and M. Raju carried out the genotyping for the refined mapping. S. E. Jamieson helped supervise the study in the laboratory. H. J. Cordell advised on genetic statistical analysis, and carried out the parent-of-origin analyses and locus-specific λS calculations. C. S. Peacock assisted with field work and laboratory supervision. E. A. Khalil, A. M. Musa, and A. Elzein carried out the clinical evaluation of patients in the field. A. Elhassan established the field study site, and continues to mentor ongoing research at the Institute for Endemic Diseases and in the field. M. E. Ibrahim conceived the study, supervised the research in Sudan, and organized and participated in the field work. J. M. Blackwell conceived the study, participated in the field work, supervised the research, and prepared the manuscript. A. Elhassan is the longtime mentor for all authors of this study.