1 Department of Dermatology, Minneapolis Veterans Affairs Medical Center, Minnesota; Department of Dermatology, University of Minnesota, Minneapolis.
2 Department of Dermatology, Minneapolis Veterans Affairs Medical Center, Minnesota; University of Minnesota Medical School, Minneapolis. Electronic address: [email protected].
3 Department of Dermatology, Cleveland Clinic, Ohio.
4 Department of Dermatology, The George Washington University School of Medicine and Health Sciences, Washington, DC.
5 Division of Dermatology, Sunnybrook Health Sciences Centre, University of Toronto, Ontario, Canada.
6 Department of Dermatology, Duke University, Durham, North Carolina.
7 Dartmouth-Hitchcock Medical Center, Lebanon, New Hampshire.
8 Department of Dermatology, Ohio State University, Columbus.
9 Department of Dermatology, University of Wisconsin Medical School, Madison.
10 University of Louisville, Kentucky.
11 Department of Dermatology, Pennsylvania State University, State College.
12 Department of Dermatology, Keck School of Medicine, Los Angeles, California.
13 Department of Dermatology, Columbia University, New York, New York.
14 Department of Dermatology, University of California San Francisco.
15 Associates in Dermatology, Fort Myers, Florida.
16 Division of Dermatology, Montreal General Hospital, McGill University, Quebec, Canada.
17 Division of Dermatology, University of Ottawa, Ontario, Canada.
18 Department of Dermatology, University of Cincinnati, Ohio.