[1] Hosp Univ Fdn Alcorcon, Dept Endocrinol & Nutr, Madrid 28922, Spain
[2] Hosp Univ Torrecardenas, Dept Endocrinol & Nutr, Almeria 04009, Spain
[3] Univ Hosp Badajoz, Dept Internal Med, Badajoz 06080, Spain
[4] Univ Hosp la Paz, Biomed Res Ctr Cardiovasc Dis CIBERCV ISCIII, Dept Cardiol, IdiPAZ, Madrid 28046, Spain
[5] Biomed Res Inst Murcia IMIB, Hlth Ctr Casco Antiguo Cartagena, Primary Care Res Grp, Cartagena 30201, Spain
[6] Costa Sol Hosp, Dept Internal Med, Marbella 29603, Spain
[7] Valencia Clin Univ Hosp, Inst Invest Sanitaria INCLIVA, Dept Cardiol, Valencia 46010, Spain
[8] Hlth Ctr Chopera, Madrid 28100, Spain
[9] Vall dHebron Hosp Univ, Vall dHebron Inst Recerca VHIR, Nephrol Dept, Nephrol & Kidney Transplantat Res Grp, Barcelona 08035, Spain
[10] Univ Valencia, Valencia Clin Univ Hosp, Inst Invest Sanitaria INCLIVA, Nephrol Dept, Valencia 46010, Spain
[11] San Carlos Clin Hosp, San Carlos Clin Hosp IDISSC, Hlth Res Inst, Dept Endocrinol & Nutr, Madrid 28040, Spain