1. Pharmacy Department, Hospital Universitario Infanta Leonor, Madrid, Spain;
2. BR. Salud. Microbiology Department, Hospital Universitario Infanta Leonor, Madrid, Spain;
3. Pharmacy Department, Hospital Universitario 12 de Octubre, Madrid, Spain;
4. Pharmacy Department, Hospital General Universitario Gregorio Maranon, Madrid, Spain;
5. Pharmacy Department, Hospital Universitario Severo Ochoa, Leganés Madrid, Spain;
6. Pharmacy Department, Hospital Universitario Fundacion Jimenez Diaz, Madrid, Spain