Baseline use of hydroxychloroquine in systemic lupus erythematosus does not preclude SARS-CoV-2 infection and severe COVID-19. Issue 10 (7th May 2020) - Konig, Maximilian F; Kim, Alfred HJ; Scheetz, Marc H; Graef, Elizabeth R; Liew, Jean W; Simard, Julia; Machado, Pedro M; Gianfrancesco, Milena; Yazdany, Jinoos; Langguth, Daman; Robinson, Philip C