title: Correction: Baseline Serum Osteopontin Levels Predict the Clinical Effectiveness of Tocilizumab but Not Infliximab in Biologic-Naïve Patients with Rheumatoid Arthritis: A Single-Center Prospective Study at 1 Year (the Keio First-Bio Cohort Study).
authors.forename: Keisuke
authors.initials: K
authors.lastname: Izumi
authors.forename: Yuko
authors.initials: Y
authors.lastname: Kaneko
authors.forename: Misato
authors.initials: M
authors.lastname: Hashizume
authors.forename: Keiko
authors.initials: K
authors.lastname: Yoshimoto
authors.forename: Tsutomu
authors.initials: T
authors.lastname: Takeuchi