1. Department of Dermatology Mayo Clinic Scottsdale AZ USA
2. Mayo Clinic Health System — Southwest Minnesota Region Mankato MN USA
3. Mayo Medical Libraries Rochester MN USA
4. Department of Dermatology & Mohs Surgery Women’s College Hospital Toronto Ontario Canada
5. Division of Preventive Occupational and Aerospace Medicine and the Robert D. and Patricia E. Kern Center for the Science of Health Care Delivery Rochester MN USA
6. Division of Dermatologic Surgery Rochester MN USA