title: Introduction: expanding concepts of chronic kidney disease-mineral and bone disorder (CKD-MBD).
authors.affiliation: Division of Nephrology, Endocrinology and Metabolism, Tokai University School of Medicine , Isehara, Japan.
authors.forename: Masafumi
authors.initials: M
authors.lastname: Fukagawa
authors.affiliation: Inserm Unit 1088, UFR de Médecine/Pharmacie, Picardy University Jules Verne , Amiens, France.
authors.forename: Tilman B
authors.initials: TB
authors.lastname: Drüeke