[1] WASHINGTON UNIV,DEPT CHEM,ST LOUIS,MO 63130
[2] WASHINGTON UNIV,DEPT PATHOL,ST LOUIS,MO 63130
[3] WASHINGTON UNIV,DEPT MED,ST LOUIS,MO 63130
[4] JEWISH HOSP ST LOUIS,DEPT PATHOL & LAB MED,ST LOUIS,MO 63110
[5] PENN STATE UNIV,MILTON S HERSHEY MED CTR,DEPT RADIOL,HERSHEY,PA 17033
[6] PENN STATE UNIV,MILTON S HERSHEY MED CTR,DEPT BIOL CHEM,HERSHEY,PA 17033