RETRACTED: Obesity and physical activity: A review

This article has been retracted at the request of the authors and editors. Please see http://www.elsevier.com/wps/locate/withdrawalpolicy. Reason: a new version will be published in a future issue. This is due to mistakes introduced when energy values were converted for publication from kJ to kcal. The new version will contain the corrected values for energy expenditure and consumption in kcal. The authors and editors apologize for any inconvenience these errors may have caused.