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Document Type: Research Article
Affiliations: 1: Department of Statistics, Universidade Estadual de Campinas, Campinas, Sao Paulo 6065, Brazil 2: Division of Biostatistics and Epidemiology, Medical University of South Carolina, Charleston, South Carolina 29425, U.S.A. 3: Department of Statistics, University of Connecticut, Storrs, Connecticut 06269, U.S.A.
Publication date: December 1, 2011