1. Department of Nursing, Faculty of Medicine and Nursing, University of the Basque Country UPV/EHU, Leioa, Bizkaia, Spain
2. Department of Immunology, Microbiology and Parasitology, Faculty of Medicine and Nursing, University of the Basque Country UPV/EHU, Leioa, Bizkaia, Spain
3. Microbiology Department, Hospital Severo Ochoa, Leganés, Madrid, Spain
4. Department of Applied Chemistry, Faculty of Chemistry, University of the Basque Country UPV/EHU, Donostia, Gipuzkoa, Spain
5. Hematology Department, Cruces University Hospital, Barakaldo, Bizkaia, Spain
6. BioCruces Health Research Institute, Barakaldo, Bizkaia, Spain