1. Faculty of Medicine; University of Miyazaki Hospital; Miyazaki Japan
2. Faculty of Education; Hiroshima University; Hiroshima Japan
3. Department of Pediatrics; St Luke's International Hospital; Tokyo Japan
4. Division of Pediatrics; Department of Reproductive and Developmental Medicine; Faculty of Medicine; University of Miyazaki; Miyazaki Japan
5. Center for the Study of Communication Design; Graduate School of Human Sciences and Graduate School of Medicine; Osaka University; Osaka Japan
6. Faculty of Human Sciences; Waseda University; Saitama Japan