The method 1, wherein {HEAD ~ the data} is acquired from {TAIL ~ multiple leads} and wherein the quantitative indicator is a composite average of coefficients calculated from the multiple leads 
The method 1 , wherein { HEAD ~ the data } is acquired from { TAIL ~ multiple leads } and wherein the quantitative indicator is a composite average of coefficients calculated from the multiple leads
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH