Institution: | 1 Department of Statistics, The Ohio State University, Columbus, Ohio 43210, U.S.A. yklee{at}stat.ohio-state.edu, 2 Statistical Research Center for Complex Systems, Seoul National University, Seoul 156-747, Korea. gary{at}stats.snu.ac.kr, 3 Department of Statistics, Seoul National University, Seoul 156-747, Korea. seaphant{at}stats.snu.ac.kr, 4 Department of Statistics, Korea University, Seoul 136-701, Korea. jykoo{at}korea.ac.kr |