1. Nephrology Department Clínica Universidad de Navarra Navarra Institute for Health Research (IdiSNA) Pamplona Spain
2. Nephrology Department Hospital Clínico Universitario San Carlos Madrid Spain
3. Nephrology Department Hospital Puerta del Mar Cádiz Spain
4. Nephrology Department Hospital del Mar Barcelona Spain
5. Nephrology Department Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC) Hospital Universitario Reina Sofía Córdoba Spain
6. Nephrology Department Hospital Universitario de Canarias Instituto de Tecnologías Biomédicas (ITB)‐Universidad de La Laguna Tenerife Spain
7. Nephrology Department Hospital Clínico Universitario de Valladolid Valladolid Spain
8. Nephrology Department H.U. Marqués de Valdecilla IDIVAL Universidad de Cantabria Santander Spain
9. Kidney Transplant Unit Hospital Universitari i Politécnic La Fe Valencia Spain
10. Nephrology Department Hospital Universitario Central de Asturias Oviedo Spain
11. Nephrology Department Hospital Vall d'Hebron Barcelona Spain
12. Nephrology Department Complejo Hospitalario Universitario Insular Materno‐Infantil Las Palmas Spain
13. Nephrology Department Hospital General Universitario de Elche Elche Spain
14. Kidney Transplant Unit Nephrology Department Hospital Universitari Germans Trias i Pujol Universitat Autònoma de Barcelona Barcelona Spain
15. Nephrology Department Hospital Universitario La Paz Madrid Spain