1. Naturalis Biodiversity Center, P.O. Box 9517, 2300 RA Leiden, The Netherlands
2. Institute of Biology Leiden, Leiden University, P.O. Box 9505, 2300 RA Leiden, The Netherlands
3. Durrell Institute of Conservation and Ecology, School of Anthropology and Conservation, University of Kent, Canterbury, CT2 7NR, UK
4. Laboratory for Amphibian Systematic and Evolutionary Research (LASER), College of Biology & Environment, Nanjing Forestry University, Nanjing, China
5. Northern Ireland Amphibian and Reptile Group, Belfast, UK
6. Department of Ecological and Biological Sciences, Tuscia University, Largo dell’Università snc, 01100, Viterbo, Italy
7. Herpetological Society of Ireland, Munster, Ireland
8. Caledonian Conservation Ltd, Office 2 and 3, Craigarnhall, Bridge of Allan, Stirling, FK9 4NG, Scotland, UK
9. Faculty of Natural Sciences and Agricultural Sciences, Ovidius University Constanţa, Al. Universităţii 1, 900470 Constanţa, Romania
10. Institute for Biological Research “Siniša Stanković”, National Institute of Republic of Serbia, University of Belgrade, Bul. Despota Stefana 142, 11060 Belgrade, Serbia
11. Herpetological Society of Ireland, Wicklow, Ireland
12. Department of Zoology, Comenius University in Bratislava, Ilkovičova 6, 842 15 Bratislava, Slovakia
13. Amphibian and Reptile Groups of UK (ARG UK), 82 Gidley Way, Horspath, Oxford, OX33 1TG, UK
14. Association Hyla, Lipovac I no. 7, 10000 Zagreb, Croatia
15. Institute of Biodiversity and Ecosystem Research, Bulgarian Academy of Sciences, 2 Gagarin Street, 1113 Sofia, Bulgaria
16. Museo Nacional de Ciencias Naturales (MNCN-CSIC), c/ José Gutiérrez Abascal, 2, 28006 Madrid, Spain
17. Atlantic Technological University, Freshwater and Marine Biology Program, Old Dublin Rd, H91 T8NW Galway, Ireland
18. School of Biological and Marine Science, University of Plymouth, Plymouth PL4 8AA, UK
19. Institute of Zoology, Zoological Society London, London, NW1 4RY, UK
20. Institute of Zoology and Biomedical Research, Faculty of Biology, Jagiellonian University, Gronostajowa 9, 30-387 Kraków, Poland
21. Department of Health, Life and Environmental Sciences, University of L’Aquila, Via Vetoio, 67100 Coppito, L’Aquila, Italy
22. Department of Biological Applications and Technology, University of Ioannina, 45110 Ioannina, Greece
23. Black Sea Institute for Development and Security Studies (BSIDSS) and Center for Morphological and Genetic Studies of Malignant Pathology (CEDMOG), Ovidius University Constanţa, Al. Universităţii 1, 900470 Constanţa, Romania
24. National Institute of Biology (NIB), Department of Organisms and Ecosystems Research, Večna pot 111, 1000 Ljubljana, Slovenia
25. National Parks and Wildlife Service, Dublin, D07 N7CV, Ireland
26. Evolutionary Ecology Group, Faculty of Science, University of Sarajevo, Zmaja od Bosne 33-35, Sarajevo, Bosnia and Herzegovina
27. Herpetological Association in Bosnia and Herzegovina – ATRA, Urijan Dedina 137, 71 000 Sarajevo, Bosnia and Herzegovina
28. Laboratory of Functional Morphology, University of Antwerpen, Universiteitsplein 1, 2610 Wilrijk, Belgium
29. Department of Tisza Research, Institute of Aquatic Ecology, Centre for Ecological Research, Bem tér 18/C, 4026 Debrecen, Hungary
30. Hertfordshire Amphibian and Reptile Group, Hetfield, UK
31. National Museum of Bosnia and Herzegovina, Zmaja od Bosne 3, 71 000 Sarajevo, Bosnia and Herzegovina
32. Reptile, Amphibian and Fish Conservation Netherlands (RAVON), P.O. Box 1413, 6501 BK Nijmegen, The Netherlands