1. University of Aveiro, Centre for Mechanical Technology and Automation, Department of Mechanical Engineering, 3810-193 Aveiro, PortugalbINESC-Porto and Faculty of Sciences of the University of Porto, Rua do Campo Alegre, 687, 4150-179, Porto, Portugal
2. INESC-Porto and Faculty of Sciences of the University of Porto, Rua do Campo Alegre, 687, 4150-179, Porto, Portugal
3. Universidade de Évora, Instituto de Ciências Agrárias e Ambientais Mediterrânicas, Veterinary Department, Núcleo de Mitra, Apartado 94, 7002-554 Évora
4. University of Aveiro, Centre for Mechanical Technology and Automation, Department of Mechanical Engineering, 3810-193 Aveiro, Portugal