1. Marine Products Kimuraya Co., Ltd.; 3307 Watari; Sakaiminato, Tottori 684-0072; Japan
2. Dept. of Adult and Elderly Nursing; School of Health Science, Tottori Univ.; Yonago; 683-8503; Japan
3. Dept. of Biological Regulation, School of Health Sciences; Tottori Univ.; Yonago; 683-8503; Japan