1. Department of Infectious Diseases; Brabois Hospital; Vandoeuvre les Nancy; Paris; France
2. Department of Infectious Diseases; Avicenne Hospital; Bobigny Cedex; France
3. Department of Dermatology; E. Herriot Hospital; Lyon Cedex; France
4. Pharmacy; Saint-Louis Hospital; Paris; France
5. Department of Biostatistics; Saint-Louis Hospital; Paris; France