(1) Galen Research, Manchester, UK;(2) Center for Health Outcomes Research, United Biosource Corporation, Bethesda, MD, USA;(3) Abbott Laboratories, Parsippany, NJ, USA;(4) Abbott Laboratories, Abbott Park, IL, USA
Abstract:
Background
The Ankylosing Spondylitis Quality of Life (ASQOL) questionnaire is a unidimensional, disease-specific measure developed in the UK and the Netherlands. This study describes its adaptation into other languages.