Scientific Reports 6: Article number: 31478; published online: 12 August 2016; updated: 16 September 2016.

This Article contains typographical errors.

In the Results section,

“Very high calcium content appears within the pores (Figs 6a and 2b).”

should read:

“Very high calcium content appears within the pores (Figs 6a2b).”

In the Discussion section,

“Almost all pores were filled with calcium deposits (Figs 6a and 2b), which encourage bone growth25.”

should read:

“Almost all pores were filled with calcium deposits (Figs 6a2b), which encourage bone growth25.”