Correction: BMC Pediatr 22, 540 (2022)

https://doi.org/10.1186/s12887-022-03597-4

In the originally published version of this article [1] two issues were found to be noted. First, the figures submitted earlier were not replaced by the shared modified figures file during the proofreading. Second, the alignment of the Table 1 (second column, column titled “Pooled”) in page 4 was not correct. The original article has been corrected.