[1] UNIV CALIF SAN DIEGO,DEPT MED,LA JOLLA,CA 92093
[2] HENRY FORD HOSP,DIV PULM MED,DETROIT,MI 48202
[3] UNIV MICHIGAN,DEPT MED,ANN ARBOR,MI 48109
[4] UNIV SO CALIF,DEPT MED,LOS ANGELES,CA 90007
[5] NORTHWESTERN UNIV,SCH MED,DIV PULM DIS,CHICAGO,IL 60611
[6] UNIV COLORADO,DEPT MED,DIV PULM,DENVER,CO 80202
[7] UNIV MICHIGAN,DEPT BIOSTAT,ANN ARBOR,MI 48109
[8] UNIV MANITOBA,DEPT MED,DIV PULM MED,WINNIPEG R3T 2N2,MANITOBA,CANADA