The burden of musculoskeletal diseases in the United States

Affiliations

• ¹ Rosalind Russell/Ephraim Engleman Rheumatology Research Center, University of California, San Francisco, CA; Philip R Lee Institute for Health Policy Studies, University of California, San Francisco, CA. Electronic address: Ed.Yelin@ucsf.edu.
• ² Departments of Orthopedic Surgery and Pediatrics, University of Iowa, Iowa City, IA.
• ³ Bone and Joint Initiative, Rosemont, IL.