Ricerc@Sapienza

In the original article, there was a mistake in Figure 2 as published. Although the correct statistical values were reported both in the legend of Figure 2 and in the text of the manuscript, some incorrect values were reported in Figure 2 due to a copy and paste error. In addition, the wrong years were listed is some of the study names. The corrected Figure 2 appears below. The authors apologize for these errors and state that this does not change the scientific conclusions of the article in any way. The original article has been updated.