| Affiliation: | 1. Department of Biostatistics, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, U.S.A.;2. Carolina Population Center, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, U.S.A.;3. Department of Statistics, Texas A&M University, College Station, Texas 77843, U.S.A.;4. Department of Epidemiology, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, U.S.A.;5. Departments of Statistical Science, Electrical and Computer Engineering, and Mathematics, Duke University, Durham, North Carolina 27708, U.S.A. |
