1. Department of Endocrine Research, Genentech, Incorporated South San Francisco, California
2. Glasgow Royal Infirmary Glasgow, Scotland
3. Department of Surgery Royal Infirmary, Leicester, U.K
4. Department of Medicine, University of Washington Seattle, Washington
5. Immunology Unit, Hospital Universitario Germans Trias I Pujol Badalona, Spain
6. Department of Medicine, University of Alberta Edmonton, Alberta, Canada