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While advancing the overall concept of complementary learning , we are focusing our initial research and documentation efforts on the many linkages that involve either families or out-of-school time programs and activities — contexts that are areas of our expertise . Special case-control studies are conducted across FoodNet sites in order to identify the major risk factors for sporadic illness , and community surveys are conducted to help determine the overall burden of foodborne illness , which include mild illnesses which do not come to medical attention or patients who do not have diagnostic testing performed . While the Rromani situation at the regional , national and local levels still needs to be improved , especially in terms of human rights , the international community is becoming increasingly aware of this and is making great efforts to improve the overall situation of Rromani communities . However , with separations always exceeding recruitments , the overall effect of structural changes on employment has been negative for the whole transition decade . Within the overall context of cardiovascular disease epidemiology , trainees have a broad range of interests both in terms of methodology and content .