1. Programme ECONAP, CIRAD-EMVT; TA 30/F, Campus International de Baillarguet 34398 Montpellier Cedex France
2. Durrell Wildlife Conservation Trust; Les Augres Manor Trinity Jersey JE3 5BP
3. Unitat de Patologia Infecciosa; Facultat de VeterinAria, Universitat Autonoma de Barcelona; Bellaterra 08193 Barcelona Spain