1 Internal Medicine Department, General University Hospital of Alicante, Alicante, Spain; Infectious Disease Unit, Miguel Hernandez University, Elche, Spain.
2 Laboratory of Internal Medicine, Puerta de Hierro Research Institute, Madrid, Spain; Internal Medicine Department, Puerta de Hierro University Hospital, Madrid Spain; Microbiology Department, San Pablo-CEU University, Madrid, Spain.
3 UNIR Health Sciences School and Medical Center, Madrid 28040, Spain. Electronic address: vicente.soriano@unir.net.