1. University of Rome G. Marconi Rome Italy
2. Department of Dermatology University Hospital Basel Basel Switzerland
3. Department of Dermatology L.T.M.M.C. and L.T.M.G.H. Sion Hospital Mumbai Maharashtra India
4. Faculty of Medicine, Department of Dermatology, St George Hospital University of New South Wales Sydney Australia
5. Tabriz University of Medical Sciences Tabriz Iran
6. Department of Dermatology Medical University of Warsaw Warsaw Poland
7. Worldwide Laser Institute Dallas Texas USA