摘要:Scientific Reports 4 , Article number: 5031 10.1038/srep05031 ( 2014 ); Published: 22 May 2014 ; Updated: 14 August 2014 There are errors in Figure 2 of this Article. The RR for Karppi, 2012 “0.450 (0.250, 0.950)” should read “0.450 (0.210, 0.950)”.