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The original article contained incorrect contact details for the corresponding author. The correct details are provided here.
In Section 3.4, the uppercase P indicating the significance for Cochran’s Q test should be a lowercase p. This sentence should read as follows: Neither Cochran’s Q test (p = 0.360) nor the I2 statistic (9%) indicated the presence of heterogeneity among these studies.
Conflicts of interest: The authors have nothing to disclose.
