1. Unit manager, Department of Dietetic, Samsung Medical Center, Seoul, Korea.
2. Student, Department of Food and Nutrition, College of Human Ecology, Seoul National University, Seoul, Korea.
3. Professor, Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.
4. Dietitian, Department of Dietetic, Samsung Medical Center Seoul, Korea.
5. Professor, Department of Food and Nutrition, Seoul National University, Seoul, Korea.
6. Professor, Research Institute of Human Ecology, Seoul National University, Seoul, Korea.