1. Center for Conservation and Sustainability Smithsonian Conservation Biology Institute National Zoological Park PO Box 37012, MRC 705 Washington DC 20013‐7012 U.S.A.
2. Ecole Nationale des Eaux et Forêts Route de Cap Estérias Cap Estérias Gabon
3. Hessisches Landesmuseum Darmstadt Friedensplatz 1 64283 Darmstadt Germany
4. Global Wildlife Conservation PO Box 129 Austin TX 78767 U.S.A.