[1] Univ Cantabria, Hosp Univ Marques de Valdecilla IDIVAL, Dept Nephrol, Santander, Spain
[2] Univ Autonoma Barcelona, Hosp Univ Vall DHebron, Dept Nephrol, Barcelona, Spain
[3] Clin Univ Navarra, Biomed Res Ctr Liver & Digest Dis Network CIBEReh, Inst Invest Sanitaria Navarra IdiSNA, Liver Unit, Navarra, Spain
[4] Univ Manitoba, Nephrol Sect, Dept Internal Med, Winnipeg, MB, Canada
[5] Clin Puerta de Hierro, Dept Neumol, Madrid, Spain
[6] Hosp Univ Marques de Valdecilla IDIVAL, Clin Pharmacol Serv, Santander, Spain