1 Department of Internal Medicine, Centre Hospitalier de Périgueux, 80, avenue Georges-Pompidou, 24000 Perigueux, France. Electronic address: gildas.baulier@ch-perigueux.fr.
2 Department of Internal Medicine, Centre Hospitalier de Périgueux, 80, avenue Georges-Pompidou, 24000 Perigueux, France.
3 Department of Infectious and Tropical diseases, Centre Hospitalier de Périgueux, 80, avenue Georges-Pompidou, 24000 Perigueux, France.