1 Division of Infectious Diseases, Clinica Universidad de Navarra, Pamplona, Spain; Department of Internal Medicine, Clinica Universidad de Navarra, Pamplona, Spain; Department of Clinical Microbiology, Clinica Universidad de Navarra, Pamplona, Spain.
2 Division of Infectious Diseases, Clinica Universidad de Navarra, Pamplona, Spain; Department of Internal Medicine, Clinica Universidad de Navarra, Pamplona, Spain.
3 Department of Clinical Microbiology, Clinica Universidad de Navarra, Pamplona, Spain.
4 Division of Infectious Diseases, Clinica Universidad de Navarra, Pamplona, Spain; Department of Clinical Microbiology, Clinica Universidad de Navarra, Pamplona, Spain. Electronic address: jdelpozo@unav.es.