1. Animal Biotechnology Division, National Institute of Animal Science, Rural Development Administration, 1500, Kongjwipatjwi-ro, Iseo-myeon, Wanju-gun, Jeollabuk-do, (55365) Republic of Korea
2. Animal Reproduction Laboratory, College of Agriculture and Life Science, Chonbuk National University, 567 Baekje-daero, Deokjin-gu, Jeonju-si, Jellabuk-do (54896) Republic of Korea
3. Qingdao Agricultural University 700 Changcheng Rd, Chengyang Qu, Qingdao Shi, Shandong Sheng, China