1. Teaching Orthopedical Hospital Fructuoso Rodríguez, Havana City 10400, Cuba
2. Department of Microbiology, Center for Research, Diagnosis and Reference, “Pedro Kourí” Institute of Tropical Medicine, Havana City 11400, Cuba
3. Department of Epidemiology, Center for Research, Diagnosis and Reference, “Pedro Kourí” Institute of Tropical Medicine, Havana City 11400, Cuba
4. Department of Virology, Center for Research, Diagnosis and Reference, “Pedro Kourí” Institute of Tropical Medicine, Havana City 11400, Cuba
5. Department of Clinical Sciences, Immunovirology Unit, Skåne University Hospital, Lund University, 21428 Malmö, Sweden