1. Department of Nephrology Hospital del Mar Barcelona Spain
2. Laboratori de Referència de Catalunya SA Barcelona Spain
3. Pharmacy Department Hospital del Mar Barcelona Spain
4. Infectious Pathology and Antimicrobials Research Group (IPAR) Institut Hospital del Mar for Medical Research Barcelona Spain
5. Department of Nephrology Fresenius Medical Care Services Barcelona Spain
6. Department of Nephrology Hospital Universitario 12 de Octubre Madrid Spain