1. Department of Medical Quality and Safety Science, Osaka City University Graduate School of Medicine, Osaka, Japan
2. Patient Safety Office, Osaka Medical College Hospital, Osaka, Japan
3. Department of Paediatrics, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
4. Faculty of Art and Design, Kyoto University of Art and Design, Kyoto, Japan
5. Department of Cultural Design, Kinki University, Osaka, Japan