1. Viela Bio, Gaithersburg, MD 20878, USA.
2. AstraZeneca, Cambridge CB4 OWG, UK.
3. MedImmune, Gaithersburg, MD 20878, USA.
4. MedImmune, Granta Park, Cambridge CB21 6GH, UK.
5. MedImmune, San Francisco, CA 94080, USA.
6. Department of Rheumatology and Clinical Immunology, Campus Kerchoff, Justus-Liebig University Giessen, 61231 Bad Nauheim, Germany.