Correction to: International Journal of Obesity (2010) 34, 332–339; doi:10.1038/ijo.2009.225; published online 3 November 2009

Since the above publication the authors have noticed errors in the list of affiliations.

Dr Gabriel R's right affiliation is: Clinical Epidemiology and Research Unit, Hospital Universitario La Paz, Madrid, Spain.

Söderberg S's complete affiliation is: Department of Public Health and Clinical Medicine, Cardiology, University of Umeå, Umeå, Sweden.

The typesetters would like to apologize for this mistake.