1. Department of Dermatology Northwestern University Feinberg School of Medicine Chicago Illinois USA
2. Ann and Robert H. Lurie Children's Hospital Chicago Illinois USA
3. Aragon Psychodermatology Research Group (GAI + PD) partnered with Aragon Health Sciences Institute (IACS) University Hospital Miguel Servet Zaragoza Spain
4. Department of Medicine, Psychiatry and Dermatology University of Zaragoza Zaragoza Spain
5. RTI Health Solutions Manchester UK
6. RTI Health Solutions Durham North Carolina USA
7. Regeneron Pharmaceuticals Inc. Tarrytown New York USA
8. Sanofi Cambridge Massachusetts USA