Erratum to: Prog Biomater (2014) 3:143–151 DOI 10.1007/s40204-014-0031-x

Unfortunately, the presentation of Fig. 4 was incorrect.

The corrected Fig. 4 is given below.

Fig. 4
figure 4

The AO/PI staining of a alginate, b PLGA, MSCs remained >90 % viable in both scaffold cultured after 7 day, AO green, PI red