1. Galin L. Jones is Assistant Professor, School of Statistics, University of Minnesota, Minneapolis, MN 55455 . Murali Haran is Assistant Professor, Department of Statistics, Pennsylvania State University, University Park, PA 16802 . Brian S. Caffo is Assistant Professor, Department of Biostatistics, Johns Hopkins University, Baltimore, MD 21205 . Ronald Neath is Graduate Student, School of Statistics, University of Minnesota, Minneapolis, MN 55455 . The authors thank Ansu Chatterjee, Jeff Rosenthal, and...