[1] MIT,CAMBRIDGE,MA 02139
[2] BROWN UNIV,PROVIDENCE,RI 02912
[3] CERN,CH-1211 GENEVA 23,SWITZERLAND
[4] UNIV CAMBRIDGE,CAMBRIDGE,ENGLAND
[5] IIT,CHICAGO,IL 60616
[6] UNIV ILLINOIS,URBANA,IL 61801
[7] INDIANA UNIV,BLOOMINGTON,IN 47401
[8] JOHNS HOPKINS UNIV,BALTIMORE,MD 21218
[9] UNIV MONS,B-7000 MONS,BELGIUM
[10] CATHOLIC UNIV NIJMEGEN,NIJMEGEN,NETHERLANDS
[11] UNIV PADUA,I-35100 PADUA,ITALY
[12] UNIV PAVIA,I-27100 PAVIA,ITALY
[13] UNIV ROME,I-00100 ROME,ITALY
[14] RUTGERS STATE UNIV,NEW BRUNSWICK,NJ 08903
[15] STEVENS INST TECHNOL,HOBOKEN,NJ 07030
[16] TECHNION ISRAEL INST TECHNOL,HAIFA,ISRAEL
[17] TEL AVIV UNIV,TEL AVIV,ISRAEL
[18] UNIV TENNESSEE,KNOXVILLE,TN 37916
[19] UNIV TRIESTE,I-34127 TRIESTE,ITALY
[20] WEIZMANN INST SCI,REHOVOT,ISRAEL
[21] YALE UNIV,NEW HAVEN,CT 06520
[22] OAK RIDGE NATL LAB,OAK RIDGE,TN 37830