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. 2011 Dec 6;6:126. doi: 10.1186/1748-5908-6-126

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Copyright ©2011 te Boveldt et al; licensee BioMed Central Ltd.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Workflow SMS alerts. Figure 3 shows the workflow of the SMS-IVR intervention. Patients receive SMS-IVR minimal once a week (Tuesdays), twice a day, during 12 weeks. SMS alerts are used as a reminder that they will receive an automatic telephone call 15 minutes later with IVR. SMS alerts will be received at 09.45 a.m. and at 2.45 p.m. At 10.00 a.m. and at 3.00 p.m. the patients will be called and invited to rate their pain on a scale of 0 (no pain) to 10(worst pain imaginable). If the highest pain score is 5 or more, the research nurse will contact the patient. If a patient has five or higher on an NRS on Tuesday he/she will again receive two SMS alerts the next day (Wednesday); the procedure will be repeated. For those who still have a pain score of five or higher on Wednesday, the procedure will be repeated again at Thursday. The whole procedure of the SMS-IVR system described in figure 1 will start again the next week at Tuesday.