1. Centre for Environmental and Marine Studies (CESAM); University of Aveiro; Campus Universitário de Santiago 3810-193 Aveiro Portugal
2. Parc Zoològic de Barcelona; Parc de la Ciutadella s/n; 08003 Barcelona Spain
3. Faculty of Veterinary; Department of Animal Medicine, Surgery and Anatomy; University of León; Campus de Verganzana 24071 León Spain
4. Imaging Diagnosis Service; Faculty of Veterinary; Department of Veterinary Clinical Science; University Veterinary Hospital Rof Codina; University of Santiago de Compostela; Avda.Carballo Calero s/n 27002 Lugo Spain
5. Laboratory of Applied Bioacoustics; Politechnical University of Catalunya (LAB-UPC); Centre Tecnològic de Vilanova i la Geltrú, Avda. Rambla Exposició s/n, 08800 Vilanova i la Geltrú Barcelona Spain
6. ECOBIOMAR; Institute of Marine Research, (IIM-CSIC); C/Eduardo Cabello 6 36208 Vigo Spain
7. Faculty of Veterinary; EDMAKTUB-Department of Anatomy and Embriology; Autonomous University of Barcelona; Edifici V, Campus UAB 08193 Bellaterra Spain