[1] The Research Institute of the McGill University Health Centre (MUHC),Division of Rheumatology, Department of Medicine
[2] Lady Davis Institute for Medical Research,Division of Infectious Diseases, Department of Medicine
[3] Jewish General Hospital,undefined
[4] McGill University,undefined
[5] Division of Clinical Epidemiology,undefined
[6] Department of Medicine,undefined
[7] McGill University,undefined
[8] McGill University,undefined