By Andrea Shalal and Ruchika KhannaApril 1 (Reuters) - The heads of the International Energy Agency, International Monetary Fund, and World Bank on Wednesday said they will form a coordination group to maximize their response to the significant economic and energy impacts of the war in the Middle East.In a joint statement, the three global bodies noted that the war had caused major disruptions in the region and triggered one of the largest supply shortages in global energy market history.