1. Department of Medical Biomaterial Engineering; Kangwon National University; Chuncheon 200-701 South Korea
2. Korea Institute of Ocean Science & Technology (KIOST); Gyeonggi-do, Ansan-siP.O. Box 29 Seoul 426-744 South Korea
3. Department of Bioengineering and Technology, College of Engineering; Kangwon National University; Chuncheon 200-701 Korea
4. Department of Food Science and Engineering; Seowon University; Cheongju Chungbuk 361-742 South Korea