1. Bristol Zoological Society, Bristol BS8 3HA, UK.
2. Conservation International, Arlington, VA 22202, USA.
3. University of Calgary, Calgary, Alberta T2N 1N4, Canada.
4. Oxford Brookes University, Oxford OX3 0BP, UK.
5. Northern Illinois University, DeKalb, IL 60115, USA.
6. Golder Associates, Calgary, Alberta T2A 7W5, Canada.
7. Durrell Wildlife Conservation Trust, Antananarivo 101, Madagascar.
8. Groupe d'Etude et de Recherche sur les Primates de Madagascar, Antananarivo 101, Madagascar.
9. Omaha's Henry Doorly Zoo, Omaha, NE 68107, USA.
10. Instituto Gulbenkian de Ciência, 2781-901 Oeiras, Portugal.
11. Laboratoire Evolution et Diversité Biologique, CNRS, UMR 5174 Université Paul Sabatier, 31062 Toulouse cedex 9, France.
12. Western University, London, Ontario N6A 5C2, Canada.
13. American Museum of Natural History, New York, NY 10024, USA.
14. Association Mitsinjo, Andasibe 514, Madagascar.
15. University of Veterinary Medicine Vienna, 1210 Vienna, Austria.
16. Stony Brook University, Stony Brook, NY 11794, USA.
17. Duke Lemur Center, Durham, NC 27705, USA.
18. Université de Mahajanga, Mahajanga 401, Madagascar.