1. Clinical Lecturer, Senior Consultant, Department of Internal Medicine, Helsinki University Central Hospital, Haartmaninkatu 4, Box 340, 00029 HUS, Finland, fax 358-947-174014,
2. Fellow in Infectious Diseases, Department of Internal Medicine, Helsinki University Central Hospital
3. Department Head, Department of Internal Medicine, Helsinki University Central Hospital
4. Professor (retired), Department of Internal Medicine, Helsinki University Central Hospital