1. Biocentre Grindel and Zoological Museum; University Hamburg; Martin-Luther-King-Platz 3; D-20146; Hamburg; Germany
2. Clinic for Zoo Animals, Exotic Pets and Wildlife, Vetsuisse Faculty; University of Zurich; Winterthurerstr. 260; 8057; Zurich; Switzerland
3. Department of Geosciences and Geography; University of Helsinki; PO Box 64 (Gustaf Hällströmin katu 2a); FIN-00014; Helsinki; Finland