1. Department of Paediatrics; University of Occupational and Environmental Health; Kitakyusyu Japan
2. Department of Paediatrics; Ibaraki Children's Hospital; Mito Japan
3. Clinical Laboratory; Research Hospital; The Institution of Medical Science; The University of Tokyo; Tokyo Japan
4. Department of Diagnostic Pathology; Showa University Fujigaoka Hospital; Yokohama Japan
5. Department of Paediatrics and Adolescent Medicine; University of Freiburg; Freiburg Germany
6. Department of Paediatrics; Graduate School of Medicine; Nagoya University; Nagoya Japan
7. Department of Pathology; Nagoya Daiichi Red Cross Hospital; Nagoya Japan
8. Department of Paediatrics; School of Medicine; Teikyo University; Tokyo Japan
9. Department of Clinical Application; Center for iPS Cell Research and Application; Kyoto University; Kyoto Japan
10. Department of Paediatrics; St. Luke's International Hospital; Tokyo Japan