Daniel R. Butler

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During the contest for Kansas attorney general in 2006, an organization sent out 6 pieces of mail criticizing the incumbent's conduct in office. We exploit a discontinuity in the rule used to select which households received the mailings to identify the causal effect of mail on vote choice and voter turnout. We find these mailings had both a statistically(More)
Recent genome-wide association studies (GWAS) have identified multiple genetic risk factors for psoriasis, but data on their association with age of onset have been marginally explored. The goal of this study was to evaluate known risk alleles of psoriasis for association with age of psoriasis onset in three well-defined case-only cohorts totaling 1,498(More)
The aim of this study was to design, develop and evaluate a web-based telepathology system that will assist physicians towards remote and timely diagnosis on dangerous types of brain cancer, such as gliomas. The proposed platform was developed in C# programming language by means of the ASP.NET web application framework. A deployed version of the platform(More)
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