Clinical course of coronavirus disease 2019 (COVID-19) in a series of 17 patients with systemic lupus erythematosus under long-term treatment with hydroxychloroquine. Issue 6 (24th April 2020) - Mathian, Alexis; Mahevas, Matthieu; Rohmer, Julien; Roumier, Mathilde; Cohen-Aubart, Fleur; Amador-Borrero, Blanca; Barrelet, Audrey; Chauvet, Cecile; Chazal, Thibaud; Delahousse, Michel; Devaux, Mathilde; Euvrard, Romain; et al.