1. Faculty of Humanities, Sophia University, Tokyo, Japan
2. Faculty of Medical Sciences, University of Groningen, Groningen, Netherlands
3. School of Medicine, Dokkyo Medical University, Tochigi, Japan
4. Graduate School of Arts and Sciences, The University of Tokyo, Tokyo, Japan
5. Department of Human Sciences, Waseda University, Saitama, Japan
6. Faculty of Human Sciences, Waseda University, Saitama, Japan