1 Microbiology Department, Hospital Universitari Son Espases and Instituto de Investigación Sanitaria Illes Balears (IdISBa), Palma de Mallorca, Spain.
2 Microbiology Department, Hospital Universitari Son Espases and Instituto de Investigación Sanitaria Illes Balears (IdISBa), Palma de Mallorca, Spain. Electronic address: ana.mena@ssib.es.