1. Department of Medical Nutrition, Graduate School of East-West Medical Science, Kyung Hee University, Yongin, Gyeonggi 17104, Korea.
2. Department of Nutritional Science and Food Management, College of Health Sciences, Ewha Womans University, Seoul 03760, Korea.
3. Department of Dermatology, College of Medicine, Kyung Hee University, Seoul 02447, Korea.