1. Asociación Herpetológica Fretum Gaditanum, Jérez de la Frontera, Spain
2. Department of Environmental Sciences, Faculty of Sciences and Technics, University Pasquale Paoli of Corsica, Corte, France
3. GRECO, Institut de Ecologia Aquàtica, Facultat de Ciències, Campus Montillivi, Girona, Spain