Everfit Training Studio, 12 May 2016 http://bmcobes.biomedcentral.com/articles/10.1186/s40608-016-0100-x
American Academy of Sports Dietitians and Nutritionists, 29 Apr 2016 Obesity trends by industry of employment in the United States, 2004 to 2011: http://ow.ly/4n49Yd