1. Department of Dermatology; Osaka City University Medical School; Osaka Japan
2. Department of Dermatology; Nagoya City University Medical School; Nagoya Japan
3. Division of Dermatology; Osaka Municipal Momoyama Citizen Hospital; Osaka Japan
4. Division of Internal Medicine; Osaka Municipal Momoyama Citizen Hospital; Osaka Japan
5. Division of Pathology; Children's Medical Center of Osaka City; Osaka Japan