1 Department of Internal Medicine and Infectious Diseases, Cliniques universitaires Saint-Luc, Université catholique de Louvain (UCLouvain), 10 Av. Hippocrate, 1200 Brussels, Belgium.
2 Department of Hematology, Cliniques universitaires Saint-Luc, Université catholique de Louvain (UCLouvain), 10 Av. Hippocrate, 1200 Brussels, Belgium.