[1] JOHNS HOPKINS UNIV,SCH MED,DEPT NEUROL,BALTIMORE,MD 21205
[2] JOHNS HOPKINS UNIV,SCH MED,DEPT CHEM,DIV RHEUMATOL,BALTIMORE,MD 21205
[3] GREATER BALTIMORE MED CTR,DEPT MED,BALTIMORE,MD
[4] UNIV OKLAHOMA,DEPT MED,DIV RHEUMATOL,OKLAHOMA CITY,OK
[5] GREATER BALTIMORE MED CTR,DEPT RADIOL,BALTIMORE,MD