1. Miguel Servet University Hospital Zaragoza Spain
2. Marqués de Valdecilla University Hospital Santander Spain
3. Salamanca University Hospital Salamanca Spain
4. Morales Meseguer General University Hospital Murcia Spain
5. La FE Politecnic and University Hospital Valencia Spain
6. Germans Trials I Pujol Hospital Badalona Spain
7. Virgen del Rocio University Hospital Sevilla Spain
8. Vall d'Hebron University Hospital Barcelona Spain
9. Hospital of Navarra Pamplona Spain
10. Navarra University Clinic Pamplona Spain
11. Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS) Hospital Clinic of Barcelona Barcelona Spain