1. Department of Food Science and Nutrition, Jeju National University, Jeju 63243, Korea.
2. Yerae Elementary School, Jeju 63537, Korea.
3. College of Veterinary Medicine, Jeju National University, Jeju 63243, Korea.
4. Department of Animal Nutrition, Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Agricultural University, Taian 271018, China.