1. Vall d’Hebron-Drassanes International Health Unit, Infectious Diseases Department, Vall d’Hebron University Hospital, International Health Programme of Catalan Health Institute (PROSICS) Barcelona, Centres, Services and Reference Units (CSUR) Imported Tropical Diseases , Barcelona , Spain
2. Centre for Biomedical Research Network on Infectious Diseases, Madrid, Spain
3. Vall d’Hebron-Drassanes International Health Unit, Microbiology Department, Vall d’Hebron University Hospital, International Health Programme of Catalan Health Institute (PROSICS) Barcelona, Centres, Services and Reference Units (CSUR) Imported Tropical Diseases , Barcelona , Spain
4. Microbiology National Centre, Carlos III Health Institute , Madrid , Spain