Opponent's comments. Bover, Jordi; Evenepoel, Pieter; Ureña-Torres, Pablo; Vervloet, Marc G.; Brandenburg, Vincent; Mazzaferro, Sandro; Covic, Adrian; Goldsmith, David; Massy, Ziad A.; Cozzolino, Mario; CKD-MBD Working Group of ERA-EDTA. Nephrology, Dialysis, Transplantation: Official Publication of the European Dialysis and Transplant Association - European Renal Association. 2015; 357: p.357. doi:10.1093/ndt/gfv021aArticle