The EORTC emotional functioning computerized adaptive test: phases I-III of a cross-cultural item bank development

Eva-Maria Gamper, Mogens Grønvold, Morten Aa Petersen, Teresa Young, Anna Costantini, Neil Aaronson, Johannes M Giesinger, Verena Meraner, Georg Kemmler, Bernhard Holzner, EORTC Quality of Life Group