The authors would like to draw your attention to the following errors, which are present in their article:
On p. 306, Abstract, Evidence synthesis section, “(1770 patients)” should be “(1170 patients)”.
On p. 308, Results section 3.1, “including 1770 patients” should be “including 1170 patients”.
On p. 308, Results section 3.2, “50 to 297” should be “50 to 340”.
On p. 313, Discussion section, “( = 1770)” should be “( = 1170)”.
The authors apologise for any inconvenience caused.