Correction Kei Nakajima, Josai University 1 June 2011 Figure 2 Q1 is highest quartile and Q4 is lowest quartile. Figure 3 and Figure 4 Q1 is lowest quartile and Q4 is highest quartile. Competing interests None declared
Cardiovascular Diabetology
Correction
1 June 2011
Figure 2
Q1 is highest quartile and Q4 is lowest quartile.
Figure 3 and Figure 4
Q1 is lowest quartile and Q4 is highest quartile.
Competing interests
None declared