(a)
(b)
(c)
(d)
(e)
(f)
Figure 2: Infrared thermographs of temperature during EMR with an applied voltage of 6 V: (a) baseline (0 sec); (b) after 1 min; (c) after 2 min; (d) after 4 min; (e) after 5 min; (f) after 6 min.