Correction to: Use of daily electronic patient-reported outcome (PRO) diaries in randomized controlled trials for rheumatoid arthritis: rationale and implementation

After publication of the original article [1], the authors have notified us of an error in language used in the text:

Bibliographic Details
Main Authors: Clifton O. Bingham, Carol L. Gaich, Amy M. DeLozier, Kathryn D. Engstrom, April N. Naegeli, Stephanie de Bono, Pixy Banerjee, Peter C. Taylor
Format: Article
Language:English
Published: BMC 2019-06-01
Series:Trials
Online Access:http://link.springer.com/article/10.1186/s13063-019-3463-8