[Eurogroup President Dijsselbloem arrives for a European Union finance ministers meeting in Brussels]International lenders are concerned with the quality of reforms in Greece, in exchange for which Athens is getting loans, the chairman of euro zone finance ministers Jeroen Dijsselbloem told the European Parliament's economic committee on Thursday. Dijsselbloem said that while politically difficult for the Greeks, the government still needed to implement a reform of the pension system and tackle a number of fiscal issues as agreed under a first batch of reforms.