EPIDEMIOLOGY AND HEALTH-RELATED SERVICES: Edited by M. Elaine Husni
Ogdie, Alexisa; Schwartzman, Sergiob; Husni, M. Elainec
aDivision of Rheumatology, Center for Clinical Epidemiology and Biostatistics, Center for Pharmacoepidemiology Research and Training, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania
bHospital for Special Surgery, New York
cRheumatologic and Immunologic Disease, Cleveland Clinic, Cleveland, Ohio, USA
Correspondence to Alexis Ogdie, MD, MSCE, Assistant Professor of Medicine and Epidemiology, Division of Rheumatology, Center for Clinical Epidemiology and Biostatistics, Center for Pharmacoepidemiology Research and Training, Perelman School of Medicine at the University of Pennsylvania, 8 Penn Tower, 1 Convention Ave, Philadelphia, PA 19104, USA. Tel: +1 215 615 4375; fax: +1 215 662 4500; e-mail: [email protected]