sentences:  In 2003, it delisted from the Swiss Stock Exchange.Hero expanded into Turkey and the Middle East through the acquisition of the Egyptian jam company Vitrac and the set-up of a joint venture with Ülker Group to produce baby food in Turkey.Hero also entered the Swiss baby food market by acquiring Wander's Adapta and Galactina brands and expanded into Eastern Europe through the purchase of the Sunar trademark in the Czech Republic and Slovakia.