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. Author manuscript; available in PMC: 2018 May 1.
Published in final edited form as: J Rheumatol. 2017 May;44(5):697–700. doi: 10.3899/jrheum.170150

Figure 2. Roadmap for developing the Psoriatic Arthritis (PsA) Core Outcome Measurement Set.

Figure 2

Workstreams are listed in chronological order.

GRAPPA = Group for Research and Assessment of Psoriasis and Psoriatic Arthritis;

OMERACT = Outcome Measures in Rheumatology; WG = working group;

LOS = longitudinal observational studies; OMIs = outcome measurement instruments;

RCT = randomized controlled trials; SLR: systematic literature review.