1. Department of Dermatology Mayo Clinic Rochester Rochester Minnesota USA
2. Robert D. and Patricia E. Kern Center for the Science of Health Care Delivery Mayo Clinic Rochester Rochester Minnesota USA
3. Division of Clinical Trials and Biostatistics of the Department of Quantitative Health Sciences Mayo Clinic Rochester Minnesota USA
4. Department of Dermatology Mayo Clinic Scottsdale Arizona USA
5. Department of Laboratory Medicine and Pathology Mayo Clinic Arizona USA
6. Department of Dermatology Mayo Clinic Florida USA
7. Department of Laboratory Medicine and Pathology Mayo Clinic Rochester Minnesota USA