[1] Hosp del Mar, Nephrol Dept, Barcelona, Spain
[2] Fundacio Althaia, Nephrol Dept, Manresa, Spain
[3] Hosp 12 Octubre, Nephrol Dept, Madrid, Spain
[4] Hosp Univ Fdn Alcorcon, Nephrol Dept, Madrid, Spain
[5] Hosp St Joan Despi Moises Broggi, Nephrol Dept, Barcelona, Spain
[6] Clin Univ Navarra, Nephrol Dept, Pamplona, Spain
[7] Hosp Poniente, Nephrol Dept, Almeria, Spain
[8] Hosp Palamos, Nephrol Dept, Girona, Spain
[9] Hosp Univ Gregorio Maranon, Nephrol Dept, Madrid, Spain
[10] Fundacio Puigvert, Nephrol Dept, Barcelona, Spain
[11] Hosp Univ Josep Trueta, Nephrol Dept, Girona, Spain
[12] Hosp Badalona Germans Trias & Pujol, Nephrol Dept, Badalona, Spain
[13] Hosp Univ Insular Gran Canaria, Nephrol Dept, Las Palmas Gran Canaria, Las Palmas, Spain
[14] Hosp Univ Ramon & Cajal, Nephrol Dept, Madrid, Spain
[15] Hosp San Pedro, Nephrol Dept, Logrono, Spain
[16] Hosp Infanta Cristina, Nephrol Dept, Badajoz, Spain
[17] Hosp Valle De Hebron, Nephrol Dept, Barcelona, Spain
[18] Hosp Clin Barcelona, Nephrol Dept, Barcelona, Spain
[19] Univ Barcelona, IDIBAPS, Barcelona, Spain
[20] Fdn Jimenez Diaz, Nephrol Dept, Madrid, Spain
[21] Hosp Bellvitge Princeps Espanya, Nephrol Dept, Barcelona, Spain
[22] Spanish Grp Study Glomerular Dis GLOSEN, Madrid, Spain
[23] Grp Treball Malalties Glomerulars Soc Catalana Ne, Madrid, Spain
[24] Grp Espanol Estudio Nefropatia Diabet GEENDIAB, Santander, Spain