1. Department of Dermatology Hirosaki University Graduate School of Medicine Hirosaki Japan
2. Department of Clinical Laboratory Hirosaki University Graduate School of Medicine Hirosaki Japan
3. Department of Human Genetics, Graduate School of Medicine The University of Tokyo Tokyo Japan
4. Division of Dermatology, Department of Medicine of Sensory and Motor Organs, Faculty of Medicine Tottori University Yonago Japan
5. Department of Dermatology, Faculty of Medicine Yamagata University Yamagata Japan