| Affiliation: | 1. Boston University School of Medicine, Department of Medicine, Clinical Epidemiology Research and Training Unit, Boston, MA, USA;2. Division of Rheumatology, Allergy, and Immunology, Department of Medicine, Massachusetts General Hospital, Harvard School of Medicine, Boston, MA, USA;3. Central Manchester Foundation Trust and University of Manchester, Manchester, UK;4. Institute for Aging Research, Hebrew SeniorLife, and Department of Medicine, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, USA |
