Correction to: BMC Pediatr (2019) 19:346

https://doi.org/10.1186/s12887-019-1724-z

After publication of the original article [1], it was brought to our attention that references 24 and 31 are cited incorrectly in the article.

Reference ‘[2]’ (see reference list below) should be cited where reference 24 is cited; NB the correct reference [2] is missing in the original article.

While reference ‘[3]’ (see reference list below) should be cited where reference 31 is cited; NB the correct reference [3] is present in the original article, but in the original article it is reference ‘29’.

The authors apologize for any inconvenience caused.