1. Department of Anatomy, Histology and Embriology, Faculty of Veterinary Medicine Zagreb, Heinzelova 55, 10 000 Zagreb, Croatia
2. Western University of Health Sciences, College of Veterinary Medicine, 309 E 2nd Street, Pomona CA, USA
3. Marine Mammal Care Center of Fort MacArtur, San Pedro, CA, USA
4. Center of Forensic Investigation “Ivan Vučetić”, Ministry of Interior, Zagreb, Croatia
5. Department of Biology, Faculty of Veterinary Medicine Zagreb, Croatia
6. Ministry of Environmental and Nature protection, Zagreb, Croatia