1. Departamento de Reprodução Animal, Faculdade de Medicina Veterinária e Zootecnia da Universidade de São Paulo, São Paulo, Brazil.
2. Department of Physiology, Michigan State University, East Lansing, Michigan.
3. Poultry Research and Teaching Center, Michigan State University, East Lansing, Michigan.
4. Small Animal Clinical Sciences, D208 Veterinary Medical Center, College of Veterinary Medicine, Michigan State University, East Lansing, Michigan.
5. Department of Animal Sciences, Michigan State University, East Lansing, Michigan.
6. Department of Biochemistry, Michigan State University, East Lansing, Michigan.
7. Andalusian Laboratory of Cellular Reprogramming, LARCEL, Seville, Spain.