1. RTI Health Solutions; 200 Park Offices Drive, PO Box 12194 Research Triangle Park NC 27709-2194 U.S.A.
2. RTI Health Solutions; The Pavilion, Towers Business Park, Wilmslow Road, Didsbury Manchester M20 2LS U.K.
3. Novartis Pharmaceuticals Corporation; East Hanover NJ U.S.A.
4. Department of Dermatology; Hospital del Mar and Universitat Autònoma; Barcelona Spain
5. Department of Dermatology and Allergy; Allergie-Centrum-Charité; Charité-Universitätsmedizin Berlin; Berlin Germany
6. Dermatology Department; Salford Royal Hospital and University of Manchester; Manchester U.K.
7. Novartis Pharma AG; GMA & HEOR; Novartis Campus Basel 4056 Switzerland
8. Cutaneous Allergy; Guy's Hospital; London U.K.