Correspondence to Dr Haruki Momma, Department of Medicine and Science in Sports and Exercise, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan; h-momma{at}med.tohoku.ac.jp ...
27 Department ofEpidemiology and Preventive Medicine, University of Regensburg, Germany 28 Faculty of Medicine and Health Sciences, Norwich Medical School, University of East Anglia Faculty of ...