Ramsey-Goldman Rosalind, Bernatsky Sasha, Clarke Ann
Division of Rheumatology, Department of Medicine , Feinberg School of Medicine, Northwestern University , Chicago, Illinois , USA.
Division of Rheumatology and Clinical Epidemiology, McGill University Health Centre, Montreal, Quebec, Canada.
Lupus Sci Med. 2014 Dec 19;1(1):e000068. doi: 10.1136/lupus-2014-000068. eCollection 2014.