1. Department of Clinical Microbiology, Institute of Clinical Medicine, University of Eastern Finland, Kuopio, Finland
2. INSERM UMR 1089, Université de Nantes, CHU de Nantes, Nantes, France
3. Genethon and IMSERM U951, Evry, France
4. University Pierre and Marie Curie and INSERM U974, Paris, France.