Hsien-Kuei Hwang Institute of Statistical Science Institute / Institute of Statistical Mathematics / Statistics The George Washington University / Institute of Statistical Science / /
Hsien-Kuei Hwang Institute of Statistical Science Institute of Information Science Academia Sinica Taipei / Institute of Statistical Science / The George Washington University / Japan Hosam H. Mahmoud Department / Institute of Statistical Mathematics / George Washington University Washington / Taiwan Michael Fuchs Department of Applied Mathematics National Chiao Tung University Hsinchu / /