2 Methods
2.1 Subjects
We studied 14 hypertensive patients (20–60 years; 10 men and 4 women) and 8 normotensive male volunteers (19–32 years) recorded for a blood pressure (BP) measurement validation study [23]. The hypertensives discontinued their medications 2 weeks prior to the measurements. All subjects gave written informed consent and the ethics committees approved the protocol [23].