1. Division of Pediatrics National Hospital Organization Fukuokahigashi Medical Center Koga Japan
2. Department of Pediatrics Oita Prefectural Hospital Oita Japan
3. Department of Pediatrics, Graduate School of Medical Sciences Kyushu University Fukuoka Japan
4. Division of Dermatology National Hospital Organization Fukuokahigashi Medical Center Koga Japan
5. Department of Pediatrics, School of Medicine University of Occupational and Environmental Health Kitakyushu Japan