Timetable. Schematic representation of successive time points for data collection, reported for all outcome measures and questionnaires.
* 23 irradiations: outcome measurement was planned at approximately 23 irradiations, with a minimum of 20 and a maximum of 26 irradiations.
** End of therapy: measurement was planned at the end of the treatment. When more than 46 irradiations were needed, measurement was planned at 46 irradiations.
*** Follow-up: Starting at the end of the therapy (or at the 46th irradiation, see **), follow-up measurements were planned every 2 months, for up to 1 year after the last irradiation.