1. Department of Dermatology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
2. Departments of Dermatology and Pediatrics, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
3. Department of Dermatology and Allergy, University Hospital Schleswig-Holstein, Campus Kiel, Kiel, Germany
4. AbbVie Inc., Chicago, IL, USA
5. RTI Health Solutions, Manchester, UK
6. RTI Health Solutions, Research Triangle Park, NC, USA