1. Department of Immunology, Robert Debré Hospital, Reims University Hospitals, Reims, France,
2. Faculty of Medicine, University of Reims Champagne-Ardenne, Reims, France,
3. Department of Internal Medicine, Infectious Diseases, Clinical Immunology, Robert Debré Hospital, Reims University Hospitals, Reims, France, and
4. Clinical Research Unit, Reims University Hospitals, Reims, France