Scientific Reports 6: Article number: 28657; published online: 28 June 2016; updated: 03 Aug 2016.

This Article contains typographical errors in Table 1. In the column ‘Pubertal age’ the values for Boys-pre ‘1st–3rd Qu’ and ‘Range’ “−3.07–1.80” and “−5.06–0.42” should read: “of “−3.07– −1.80” and “−5.06– −0.42” respectively. In addition, the Girls-pre values for ‘1st–3rd Qu’ and ‘Range’ “−2.54–0.85” and “−6.01–0.42” should read: “−2.54– −0.85” and “−6.01– −0.42” respectively.