EORTC QLQ-COMU26: a questionnaire for the assessment of communication between patients and professionals. Phase III of the module development in ten countries

Juan Ignacio Arraras, , Lisa M. Wintner, Monika Sztankay, Krzysztof A. Tomaszewski, Dirk Hofmeister, Anna Costantini, Anne Bredart, Teresa Young, Karin Kuljanic, Iwona M. Tomaszewska, Meropi Kontogianni, Wei-Chu Chie, Dagmara Kulis, Eva Greimel