1. Department of Dermatology; Konkuk University School of Medicine; Seoul Korea
2. Department of Dermatology; University Hospital of Brest; Brest France
3. Laboratory of Neurosciences of Brest; University of Western Brittany; Brest France
4. Department Public Health & Quality of Life; Laboratories Pierre Fabre; Paris France
5. Research Institute of Medical Science; Konkuk University; Seoul Korea