An improved quality of life information after 6 months of therapy treatment, collected by asking standardised questions A decrease in systolic and diastolic BP after 6 months presented significant differences Digital sphygmomanometers (BP measuring devices) will be supplied in order to document the values of BP and heart rate. Blood pressure and heart rate should be measured at least 2 times, ideally 4 times per day. Furthermore, every subject will additionally receive a documentation sheet, where he/she will record the measurement data. The documentation sheet will be a part of the improvement of the quality of life; it can be removed and passed on.