In Gao et al. 2015, the following error was published in the Materials and Methods section:In paragraph 2, letter (d) indicated that the animals were given the dosage “ … 2.46 mmol/kg once a day at P7, P11 …. This should be corrected to “2.46 x 10−3 mmol/kg.” The correct dosage was given to animals.The authors apologise for the typographical error.