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A new method for ascertaining dementia in epidemiologic research and the results of a study to evaluate it are described. The method relies on an expert panel of clinicians reviewing clinically relevant information collected by lay evaluators to arrive at a diagnosis based on DSM-III-R criteria. The approach was developed to study dementia in a statewide(More)
Existing studies characterizing gut microbiome variation in the United States suffer from population ascertainment biases, with individuals of American Indian ancestry being among the most underrepresented. Here, we describe the first gut microbiome diversity study of an American Indian community. We partnered with the Cheyenne and Arapaho (C&A), federally(More)
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