Retraction Note to: Content validity and psychometric evaluation of functional assessment of chronic illness therapy-fatigue in patients with psoriatic arthritis

J Patient Rep Outcomes. 2019 May 28;3(1):32. doi: 10.1186/s41687-019-0125-2.

Authors

David Cella¹, Hilary Wilson², Huda Shalhoub³, Dennis A Revicki², Joseph C Cappelleri⁴, Andrew G Bushmakin⁴, Elizabeth Kudlacz⁴, Ming-Ann Hsu⁴

Affiliations

¹ Department of Medical Social Sciences, Northwestern University, 633 N. St. Clair Suite 1900, Chicago, IL, 60611, USA. d-cella@northwestern.edu.
² Evidera, Bethesda, MD, USA.
³ Evidera, Waltham, MA, USA.
⁴ Pfizer Inc, Groton, CT, USA.

Abstract

The publisher has retracted this article [1] because the incorrect version of the article was published in error.

Publication types

Retraction of Publication