1. University of Minnesota Medical School Minneapolis Minnesota
2. Department of MedicineUniversity of Minnesota Minneapolis Minnesota
3. Department of DermatologyHennepin County Medical Center Minneapolis Minnesota
4. Department of DermatologyMinneapolis Veterans Affairs Medical Center Minneapolis Minnesota
5. Department of DermatologyPark Nicollet Contact Dermatitis Clinic Bloomington Minnesota
6. Department of DermatologyUniversity of Minnesota Minneapolis Minnesota
7. Department of Internal MedicineMinneapolis Veterans Affairs Medical Center Minneapolis Minnesota