1. Department of Epidemiology; Harvard T.H. Chan School of Public Health; Boston MA USA
2. Department of Biostatistics; Harvard T.H. Chan School of Public Health; Boston MA USA
3. Division of Rheumatology, Immunology, and Allergy; Brigham and Women's Hospital; Boston MA USA
4. Department of Epidemiology; Johns Hopkins Bloomberg School of Public Health; Baltimore MD USA
5. Division of Geriatrics; David Geffen School of Medicine at UCLA; Los Angeles CA USA
6. Department of Epidemiology; University of Pittsburgh; Pittsburgh PA USA
7. Division of Pharmacoepidemiology and Pharmacoeconomics, Department of Medicine; Brigham and Women's Hospital and Harvard Medical School; Boston MA USA