Developments in the price (, price_ref; , price_LoF; , price_MdF; , price_HiF) of (a) minced beef, (b) regular cream and (c) sour cream in Denmark, January 2010–October 2012; represents introduction of the tax on saturated fat in foods on 1 October 2011 (ref, reference; LoF, low-fat variety; MdF, medium-fat variety; HiF, high-fat variety)