“…Data collections by the IVR system obtain similar responses as by paper‐and‐pen (Lundy, Coons, & Aaronson, ). At baseline all patients, guided by a research assistant, called the IVR system, registered their telephone number and responded to three questionnaires including 55 questions (Strid, Lundh, Andersson, & Öjehagen, ). Thereafter, the computerized system was programmed to automatically start calling the patients on days 50, 80, 110, 200, 290, and 380 after baseline, in total six measurement points.…”