[1] OREGON HLTH SCI UNIV,PORTLAND,OR 97201
[2] UNIV FRANKFURT,D-6000 FRANKFURT,GERMANY
[3] UNIV ROCHESTER,MED CTR,ROCHESTER,NY 14642
[4] ALBERT EINSTEIN COLL MED,BRONX,NY 10467
[5] HOP LA PITIE SALPETRIERE,PARIS,FRANCE
[6] UNIV HOSP CLEVELAND,CLEVELAND,OH 44106
[7] UNIV CALIF SAN DIEGO,LA JOLLA,CA 92093
[8] MASSACHUSETTS GEN HOSP,BOSTON,MA 02114
[9] LUDWIG BOLTZMANN INST,VIENNA,AUSTRIA
[10] UNIV KENTUCKY,LEXINGTON,KY 40506
[11] MT SINAI SCH MED,NEW YORK,NY
[12] WASHINGTON UNIV,SCH MED,ST LOUIS,MO 63130
[13] INST BASIC RES DEV DISABIL,STATEN ISL,NY
[14] UNIV PENN,SCH MED,HUP,DEPT PATHOL & LAB MED,WORKING GRP CHAIR,PHILADELPHIA,PA 19104