Development of a disease-specific Quality of Life questionnaire module for patients with gastrointestinal neuroendocrine tumours.

A. H. G., Davies; G., Larsson; J., Ardill; E., Friend; L., Jones; Falconi, Massimo; R., Bettini; M., Koller; O., Sezer; C., Fleissner; B., Taal; J. M., Blazeby; J. K., Ramage; E. O. R. T. C., Quality of Life Group