1. Department of Biological Sciences; Barnard College; 3009 Broadway, New York New York 10027
2. Emerging Disease Surveillance and Response Unit; Division of Health Security and Emergencies; Western Pacific Regional Office; World Health Organization; P.O. Box 2932 (United Nations Avenue), 1000 Manila Philippines
3. Museum of Comparative Zoology and Department of Organismic and Evolutionary Biology; Harvard University; 26 Oxford Street Cambridge Massachusetts 02138
4. Department of Biology; University of Washington; Box 351800 Seattle Washington 98195
5. Department of Biology; University of Rochester; River Campus Box 270211, Rochester New York 14627