1 Department of haematology, university Montpellier, CHU Nîmes, Nîmes, France; UPRES EA 2992, Montpellier university, Nîmes, France; I.M. Sechenov First Moscow State Medical University, Moscow, Russian Federation. Electronic address: jean.christophe.gris@chu-nimes.fr.
2 Department of vascular medicine, university Montpellier, CHU Nîmes, Nîmes, France.
3 Department of vascular medicine, university Montpellier, CHU Montpellier, Montpellier, France.
4 Department of infectious and tropical diseases, university Montpellier, CHU Nîmes, Nîmes, France.