1. Section of Rheumatology
2. Department of Entomology, Connecticut Agricultural Experiment Station, New Haven, CT 06504
3. Section of Allergy and Immunology, Department of Internal Medicine,
4. Department of Epidemiology and Public Health, Yale University School of Medicine, New Haven, CT 06520
5. Department of Biomedical Sciences, Tufts University School of Veterinary Medicine, North Grafton, MA 01536