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It sometimes was attached literally to the water stored but more commonly was measured in energy equivalents . The disease has been reported in various parts of the world but more commonly in Europe , and it appears to be less common in the United States . Here it defines a category under which Indians are subsumed but more commonly in New Zealand it is used in reference to those of South East Asian and Chinese origin . Methods for program delivery may be one-to-one but more commonly group lessons or classes are conducted in public places .