1. Department of Immunology, UMDS at Guy's Hospital, London, UK;
2. Present address: Department of Rheumatology, University of Marmara Medical School, Istanbul, Turkey
3. Hansen's Disease Laboratory, Division of Bacterial Diseases, Centers for Disease Control, Atlanta, GA, USA;
4. Department of Internal Medicine, St Marianna University School of Medicine, Kawasaki, Japan;
5. Institute of Infectious Diseases and Immunology, Utrecht, the Netherlands;