1. Faculty of Biology; University of Belgrade; Studentski trg 16; 11000; Belgrade; Serbia
2. Macedonian Ecological Society - Herpetology Group; Bulevar ‘Kuzman Josifovski-Pitu’; Skopje; FYR of Macedonia
3. Institute for Nature Conservation of Serbia; Dr Ivana Ribara 91; 11070; Belgrade; Serbia
4. CEBC CNRS; 79360; Villiers en Bois,; France