Additional file 1 of A rare disease patient-reported outcome measure: revision and validation of the German version of the Systemic Sclerosis Quality of Life Questionnaire (SScQoL) using the Rasch model
- Agnes Kocher (11252228)
- Mwidimi Ndosi (11252231)
- Kris Denhaerynck (44147)
- Michael Simon (9322277)
- Andrew A. Dwyer (8447250)
- Oliver Distler (36405)
- Kirsten Hoeper (344499)
- Patrizia Künzler-Heule (11252234)
- Anthony C. Redmond (10648632)
- Peter M. Villiger (10994456)
- Ulrich A. Walker (11047563)
- Dunja Nicca (11252237)
Publication date
August 2021
DOIAbstract
Additional File 1. Back-translation, issues and agreements for each item of the German Systemic Sclerosis Quality of Life Questionnaire (SScQoL)
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