Two branches of the Japanese convenience store chain Ministop in Kyoto Prefecture are suspected of falsifying expiry dates on foods prepared in their kitchens for several years, the local health center said Tuesday.The revelation comes after operator Ministop Co., a subsidiary of retail giant Aeon Co., said Monday it had found such misconduct at 23 stores in Tokyo, Saitama, Aichi, Kyoto, Osaka, Hyogo and Fukuoka prefectures.While no health problems have been reported, Ministop has temporarily suspended sales of rice balls, bento box lunches and other deli items at about 1,600 stores nationw…READ FULL ARTICLE