[1] UNIV WASHINGTON, DEPT MED, DIV NEPHROL, SEATTLE, WA 98195 USA
[2] UNIV WASHINGTON, DEPT PATHOL, DIV INFECT DIS, SEATTLE, WA 98195 USA
[3] SWEDISH HOSP MED CTR, SEATTLE, WA 98104 USA
[4] SEATTLE KING CTY DEPT PUBL HLTH, SEATTLE, WA 98104 USA
[5] VET ADM MED CTR, DENVER, CO 80220 USA
[6] LAB PATHOL INC, SEATTLE, WA USA