1. Department of Dermatology; Kaiser Permanente Los Angeles Medical Center; Los Angeles CA USA
2. Group Health Research Institute; Group Health Cooperative; Seattle WA USA
3. Quantitative Safety & Epidemiology; Novartis Pharma AG; Basel Switzerland
4. Global Medical Affairs; Novartis Pharma AG; Basel Switzerland
5. University of Illinois at Chicago College of Medicine; Chicago IL USA
6. Department of Dermatology and Allergy; Herlev and Gentofte Hospital; Hellerup Denmark
7. Department of Research & Evaluation; Kaiser Permanente Southern California; Pasadena CA USA