[1] UNIV ABERDEEN,ABERDEEN AB9 1FX,SCOTLAND
[2] UNIV CALIF SAN FRANCISCO,SCH MED,DEPT RADIOL,SAN FRANCISCO,CA 94143
[3] HOSP ST LOUIS,DEPT RADIOL,PARIS,FRANCE
[4] STANFORD UNIV,MED CTR,DEPT RADIOL,GENITOURINARY SECT,STANFORD,CA 94305
[5] CHU MONTPELLIER,DEPT MED,CHAIRMAN DIAGNOST RADIOL,F-34059 MONTPELLIER,FRANCE
[6] UNIV CALIF SAN FRANCISCO,SCH MED,NUCL MED SECT,SAN FRANCISCO,CA 94143
[7] WASHINGTON UNIV,SCH MED,EDWARD MALLINCKRODT INST RADIOL,ST LOUIS,MO 63110
[8] UNIV COLORADO,SCH MED,DEPT RADIOL,DENVER,CO 80202
[9] STANFORD UNIV,MED CTR,DIV DIAGNOST RADIOL,STANFORD,CA 94305
[10] UNIV CALIF SAN DIEGO,LA JOLLA,CA 92093
[11] VET ADM HOSP,SAN DIEGO,CA
[12] UNIV COLORADO,HLTH SCI CTR,DEPT RADIOL,DENVER,CO 80220
[13] KEIO UNIV,SCH MED,DEPT RADIOL,TOKYO 108,JAPAN
[14] UNIV MANCHESTER,DEPT DIAGNOST RADIOL,MANCHESTER M13 9PL,LANCS,ENGLAND
[15] VANDERBILT UNIV,DEPT RADIOL,NASHVILLE,TN 37240
[16] NIH,PUBL HLTH SERV,BETHESDA,MD 20205
[17] ONTARIO COUNCIL HLTH,TORONTO,ONTARIO,CANADA
[18] EBERHARD KARLS UNIV,INST MED RADIOL,TUBINGEN,FED REP GER
[19] UNIV LUND HOSP,DEPT RADIOL,S-22185 LUND,SWEDEN
[20] EMORY UNIV,SCH MED,DEPT RADIOL,ATLANTA,GA 30322
[21] GOTHENBURG UNIV,SAHLGRENS HOSP,DEPT RADIOL,S-41345 GOTHENBURG,SWEDEN
[22] UNIV HOSP LEUVEN,DEPT DIAGNOST RADIOL,LEUVEN,BELGIUM
[23] MCMASTER UNIV,DEPT RADIOL,HAMILTON L8S 4L8,ONTARIO,CANADA
[24] LOUISIANA STATE UNIV,MED CTR,DEPT RADIOL,SHREVEPORT,LA 71105
[25] UNIV CAMBRIDGE,ADDENBROOKES HOSP,SCH CLIN MED,DEPT RADIOL,CAMBRIDGE CB2 2QQ,ENGLAND
[26] UNIV CALIF SAN FRANCISCO,SCH MED,RADIOL IMAGING LAB,SAN FRANCISCO,CA 94143
[27] UNIV UTAH,MED CTR,COLL MED,DEPT RADIOL,SALT LAKE CITY,UT 84112
[28] UNIV TEXAS,SCH MED,DEPT RADIOL,HOUSTON,TX 77025
[29] MED CTR HOSP VERMONT,DEPT RADIOL,BURLINGTON,VT 05401
[30] UNIV CALIF SAN FRANCISCO,SCH MED,DEPT MED,SAN FRANCISCO,CA 94143
[31] UNIV CALIF SAN FRANCISCO,NEWS & PUBL INFORMAT SERV,SAN FRANCISCO,CA 94143
[32] SCI AMER,NEW YORK,NY