1. University of Granada; Department of Microbiology, Faculty of Pharmacy; Campus universitario de la Cartuja, s/n 18071 Granada Spain
2. University of Granada; Department of Medicine, Faculty of Medicine; Avenida de Madrid, s/n c.p. 18071 Granada Spain
3. University of Granada; Institute of Water Research; C/Ramón y Cajal, 4 18071 Granada Spain
4. University of Granada; Department of Microbiology, Faculty of Science; Campus de Fuentenueva, s/n 18071 Granada Spain