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Familial aggregation of non-diabetic end-stage renal disease (ESRD) is found in African Americans and variants in the apolipoprotein L1 gene (APOL1) contribute to this risk. To detect genetic associations with milder forms of nephropathy in the high-risk families, analyses were performed using generalized estimating equations to assess relationships between(More)
BACKGROUND Hepatitis B coinfection is common in HIV-positive individuals and as antiretroviral therapy has made death due to AIDS less common, hepatitis has become increasingly important. Several drugs are available to treat hepatitis B. The most potent and the one with the lowest risk of resistance appears to be tenofovir (TDF). However there are several(More)
The existence of von Neumann–Morgenstern solutions (stable sets) for bilateral assignment markets is an unsolved question since Shapley and Shubik (1972). In 1984 Shubik proposed to consider, for each optimal matching, the union of the core of the game and the core of the subgames that are compatible with this matching. We prove in the present paper that(More)
Although assignment games are hardly ever convex, in this paper a characterization of their set of extreme points of the core is provided, which is also valid for the class of convex games. For each ordering in the player set, a payoff vector is defined where each player receives his marginal contribution to a certain reduced game played by his(More)