1. Graduate School of Nursing Science, St. Luke's International University, Tokyo, Japan
2. School of International Politics, Economics, and Communication, Aoyama Gakuin University, Tokyo, Japan
3. Chiba Faculty of Nursing, Tokyo Healthcare University, Chiba, Japan
4. Research Centre for Social Science & Medicine, Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan
5. Graduate School of Education and Human Development, Nagoya University, Aichi, Japan
6. Department of Respiratory Medicine, Center Hospital of the National Center for Global Health and Medicine, Tokyo, Japan