1. Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS); Universidade de Santiago de Compostela; calle Jenaro de la Fuente s/n 15782 Santiago de Compostela Spain
2. Servicio de Microbioloxía-INIBIC; Complexo Hospitalario Universitario A Coruña (CHUAC); Hospital Teresa Herrera; As Xubias, 84 15006 A Coruña Spain
3. Institute of Cell and Molecular Biosciences, Medical School; University of Newcastle upon Tyne; Catherine Cookson Building, Framlington Place Newcastle upon Tyne NE2 4HH UK