1. Centre of Studies of Animal and Veterinary Sciences, Vila Real, Portugal.
2. Veterinary Science Department, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal.
3. Institute for Biotechnology and Bioengineering, Centre of Genetics and Biotechnology, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal.
4. Department of Genetics and Biotechnology, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal.
5. Biochemistry and Molecular Biology Area, University of La Rioja, Logroño, Spain.
6. Department of Life Sciences, Centre for Functional Ecology, University of Coimbra, Coimbra, Portugal.