Engel S. G., Kolotkin R. L., Teixeira P. J., Sardinha L. B., Vieira P. N., Palmeira A. P., & Crosby R. D. (2005) Psychometric evaluation of a Portuguese version of the Impact of Weight on Quality of Life-Lite (IWQOL-Lite) questionnaire. European Eating Disorders Review, 13:133-143.