1. Department of Medicine and Laboratory, Gambo Rural General Hospital, Kore, Ethiopia.
2. Department of Internal Medicine, Hospital General Universitario de Alicante, Universidad Miguel Hernandez, Alicante, Spain.
3. Division of Infectious Diseases, IIS-Fundación Jiménez Díaz, Madrid, Spain.
4. Laboratory of Malaria and Vector Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Rockville, Maryland.
5. Laboratory of Special Pathogens of the National Microbiology Center of Spain, Institute of Health Carlos III, Madrid, Spain.
6. Department of Medicine, Universidad Autónoma de Madrid, Madrid, Spain.