1. Institute of Allergology, Charité Universitätsmedizin Berlin Germany
2. Weill Cornell Medical Medicine New York New York USA
3. Andriessen Consultants Malden The Netherlands
4. Centro de Dermatologia Porto Alegre Brazil
5. Department of Dermatology Aalborg University Hospital Aalborg Denmark
6. Skin Health Institute Carlton Vic. Australia
7. Gold Skin Care Center Vanderbilt University School of Nursing Nashville TX USA
8. Aga Khan University Hospital Nairobi Kenya
9. Department of Dermatology, Huashan Hospital Fudan University Shanghai China