Erratum to: Arch Osteoporos

DOI 10.1007/s11657-014-0188-x

The number of the subjects excluded by BDHQ was four instead of five, as written in line 3 of the third paragraph in the section “Study design”.

In Fig. 1, the true unit of serum 25-OH-D was ng/mL instead of ng/L.

In Table 2, the reference range for serum NTX should be 7.5–16.5 instead of 9.3–54.3.

The authors regret these errors and any inconvenience caused.