Figure 4.
Schematic drawing of radiation setup. Four lamps was positioned (all with a distance of 50 cm away from the lower-body/head) either on the lower-body (lower right – all four lamps in the transverse plane: one on each side and two on the lower-back of the participants) or head (upper left – three in the transverse and one on top [sagittal plane]: one lamp on each side, one in the back and one on top of the participants head and neck. The dashed line symbolized the two session.
