1. James X. Hu is Ph.D. Candidate, Department of Statistics, Yale University, New Haven, CT 06511 . Hongyu Zhao is Professor of Biostatistics Division, Department of Epidemiology and Public Health, Yale University, New Haven, CT 06511 . Harrison H. Zhou is Assistant Professor, Department of Statistics, Yale University, New Haven, CT 06511 . James Hu and Harrison Zhou’s research is supported in part by NSF grant DMS-0645676. Hongyu Zhao’s research is supported in part by NSF grant DMS-0714817 and NIH grant...