About the Authors

Hai-bo Huang

Affiliation Department of Anatomy, Histology and Embryology, College of Animal Science and Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei, People’s Republic of China

Ke Xiao

Affiliation Department of Anatomy, Histology and Embryology, College of Animal Science and Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei, People’s Republic of China

Shun Lu

Affiliation Department of Anatomy, Histology and Embryology, College of Animal Science and Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei, People’s Republic of China

Ke-li Yang

Affiliation Department of Anatomy, Histology and Embryology, College of Animal Science and Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei, People’s Republic of China

Abdur Rahman Ansari

Affiliation Department of Anatomy, Histology and Embryology, College of Animal Science and Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei, People’s Republic of China

Haseeb Khaliq

Affiliation Department of Anatomy, Histology and Embryology, College of Animal Science and Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei, People’s Republic of China

Hui Song

Affiliation Department of Anatomy, Histology and Embryology, College of Animal Science and Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei, People’s Republic of China

Juming Zhong

Affiliations Department of Anatomy, Histology and Embryology, College of Animal Science and Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei, People’s Republic of China, Department of Anatomy, Physiology and Pharmacology, College of Veterinary Medicine, Auburn University, Auburn, Alabama, United States of America

Hua-zhen Liu

Affiliation Department of Anatomy, Histology and Embryology, College of Animal Science and Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei, People’s Republic of China

Ke-mei Peng

kmpeng@mail.hzau.edu.cn

Affiliation Department of Anatomy, Histology and Embryology, College of Animal Science and Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei, People’s Republic of China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: HH KP HL HS. Performed the experiments: HH KX SL KY. Analyzed the data: HH AA HK. Wrote the paper: HH KP JZ.