1 University of Minnesota School of Medicine, Minneapolis, Department of Dermatology, Minneapolis Veterans Affairs Medical Center, MN, HCMC Parkside Occupational and Contact Dermatitis Clinic, Minneapolis, MN Department of Dermatology, Minneapolis Veterans Affairs Medical Center, MN, HCMC Parkside Occupational and Contact Dermatitis Clinic, Minneapolis, MN, Department of Dermatology, University of Minnesota, Minneapolis.