Fig. 1.
a Screen of the patient portal site. After patients enter their anonymized ID and password, they move on to the screen of the QOL questionnaire. QOL quality of life. b Example of the Japanese version of the QOL questionnaire. QOL quality of life. c Data flow diagram of HRQOL ratings inputted into the CHES, developed by EORTC. HRQOL health-related quality of life, CHES Computer-Based Health Evaluation System, EORTC European Organization for Research and Treatment of Cancer, PRO patient-reported outcome, HL7 Health Level Seven