1. Department of Marketing, Faculty of Commerce, University of Marketing and Distribution Sciences, 3-1 Gakuen-Nishimachi, Nishi-ku, Kobe 651-2188, Hyogo, Japan
2. Department of Nursing, Japanese Red Cross Hiroshima College of Nursing, 1-2 Ajinadai-Higashi, Hatsukaichi 738-0052, Hiroshima, Japan
3. Graduate School of Comprehensive Scientific Research Program in Health and Welfare, Prefectural University of Hiroshima, 1-1 Gakuencho, Mihara 723-0053, Hiroshima, Japan
4. Hiroshima Red Cross Hospital Atomic-Bomb Survivors Hospital, 1-9-6 Sendamachi, Naka-ku, Hiroshima 730-8619, Hiroshima, Japan
5. Hiroshima Office, Survey Research Center Co., Ltd., 2-29 Tatemachi, Naka-ku, Hiroshima 730-0032, Hiroshima, Japan
6. Faculty of Health and Welfare, Prefectural University of Hiroshima, 1-1 Gakuencho, Mihara 723-0053, Hiroshima, Japan
7. Hiroshima Business and Management School, Prefectural University of Hiroshima, 1-1-71 Ujina-Higashi, Minami-ku, Hiroshima 734-8558, Hiroshima, Japan