1. Human Health Sciences, Graduate School of Medicine, Kyoto University, Kyoto, Japan.
2. Advanced Data Science Project, RIKEN, Yokohama, Japan.
3. Faculty of Rehabilitation, Kobe Gakuin University, Kobe, Japan.
4. Department of Palliative Medicine, Kyoto University Hospital, Kyoto, Japan.
5. Department of Nursing, Graduate School of Medicine, Mie University, Mie, Japan.
6. Department of Pediatrics, Graduate School of Medicine, Kyoto University, Kyoto, Japan.
7. School of Health Sciences, Bukkyo University, Kyoto, Japan.