[1] ARGONNE NATL LAB, ARGONNE, IL 60439 USA
[2] UNIV CALIF LOS ANGELES, LOS ANGELES, CA 90024 USA
[3] UNIV CHICAGO, CHICAGO, IL 60637 USA
[4] DUKE UNIV, DURHAM, NC 27706 USA
[5] FERMI NATL ACCELERATOR LAB, BATAVIA, IL 60510 USA
[6] IST NAZL FIS NUCL, NAZL FRASCATI LAB, FRASCATI, ITALY
[7] HARVARD UNIV, CAMBRIDGE, MA 02138 USA
[8] UNIV ILLINOIS, URBANA, IL 61801 USA
[9] JOHNS HOPKINS UNIV, BALTIMORE, MD 21218 USA
[10] LAWRENCE BERKELEY LAB, BERKELEY, CA 94720 USA
[11] MIT, CAMBRIDGE, MA 02139 USA
[12] UNIV MICHIGAN, ANN ARBOR, MI 48109 USA
[13] UNIV PADUA, IST NAZL FIS NUCL, I-35131 PADUA, ITALY
[14] UNIV PENN, PHILADELPHIA, PA 19104 USA
[15] UNIV PISA, IST NAZL FIS NUCL, I-56100 PISA, ITALY
[16] SCUOLA NORMALE SUPER PISA, I-56100 PISA, ITALY
[17] PURDUE UNIV, W LAFAYETTE, IN 47907 USA
[18] UNIV ROCHESTER, ROCHESTER, NY 14627 USA
[19] ROCKEFELLER UNIV, NEW YORK, NY 10021 USA
[20] RUTGERS STATE UNIV, NEW BRUNSWICK, NJ 08903 USA
[21] TEXAS A&M UNIV SYST, COLL STN, TX 77843 USA
[22] UNIV TSUKUBA, TSUKUBA, IBARAKI 305, JAPAN
[23] TUFTS UNIV, MEDFORD, MA 02155 USA
[24] UNIV WISCONSIN, MADISON, WI 53706 USA