[1] Univ Leeds, Leeds Inst Mol Med, Leeds, W Yorkshire, England
[2] NIHR Leeds Musculoskeletal Biomed Res Unit, Leeds, W Yorkshire, England
[3] Univ Texas SW Med Ctr Dallas, Dallas, TX 75390 USA
[4] Metroplex Clin Res Ctr, Dallas, TX USA
[5] Centocor R&D, Malvern, PA USA
[6] Centocor R&D, Malvern, PA USA