The system 1, wherein said {HEAD ~ electrostimulation unit} generates different signals of varying duty cycles, or {TAIL ~ no signal} at all, for portions of the treatment 
The system 1 , wherein said { HEAD ~ electrostimulation unit } generates different signals of varying duty cycles , or { TAIL ~ no signal } at all , for portions of the treatment
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH