[1] UNIV CALIF SAN FRANCISCO, DEPT RADIOL, CONTRAST MEDIA LAB, SAN FRANCISCO, CA 94143 USA
[2] BRISTOL MYERS SQUIBB CO, PHARMACEUT RES INST, PRINCETON, NJ 08543 USA
[3] RELAXOMETRY INC, MAHOPAC, NY 10541 USA
[4] WASHINGTON UNIV, SCH MED, EDWARD MALLINCKRODT INST RADIOL, ST LOUIS, MO 63110 USA
[5] NYCOMED SALUTAR INC, SUNNYVALE, CA 94086 USA
[6] NIH, DIAGNOST RADIOL RES LAB, BETHESDA, MD 20892 USA
[7] UNIV CALIF SAN FRANCISCO, DEPT RADIOL, CONTRAST MEDIA LAB, SAN FRANCISCO, CA 94143 USA
[8] BRACCO IND CHIM SPA, DIV RES & DEV, I-20134 MILAN, ITALY
[9] STANFORD UNIV, SCH MED, DEPT RADIOL, CONTRAST MEDIA LAB, STANFORD, CA 94305 USA
[10] UNIV ARIZONA, ARIZONA HLTH SCI CTR, DEPT RADIOL, TUCSON, AZ 85724 USA
[11] UNIV MASSACHUSETTS, MED CTR, DEPT RADIOL, DIV RADIOL RES, WORCESTER, MA 01655 USA
[12] MASSACHUSETTS GEN HOSP E, CTR IMAGING & PHARMACEUT RES, BOSTON, MA USA
[13] UNIV CHICAGO, DEPT RADIOL, CHICAGO, IL 60637 USA