Sadao Jinno1, Carol A Sulis2, Maureen D Dubreuil3. 1. Section of Rheumatology, Department of Medicine, Boston University School of Medicine; sadaoj@gmail.com. 2. Section of Infectious Diseases, Department of Medicine, Boston University School of Medicine. 3. Section of Rheumatology, and Section of Clinical Epidemiology Research and Training Unit, Department of Medicine, Boston University School of Medicine, and VA Boston Healthcare System, Boston, Massachusetts, USA.