[1] BROWN UNIV,PROVIDENCE,RI 02912
[2] CERN,GENEVA 23,SWITZERLAND
[3] FERMILAB,BATAVIA,IL 60510
[4] ILLINOIS INST TECHNOL,CHICAGO,IL 60616
[5] UNIV ILLINOIS,URBANA,IL 61801
[6] INDIANA UNIV,BLOOMINGTON,IN 47401
[7] JOHNS HOPKINS UNIV,BALTIMORE,MD 21218
[8] MIT,CAMBRIDGE,MA 02139