{HEAD ~ Data} is collected using both the SATPS and non SATPS methods to obtain {TAIL ~ a master data} set 
{ HEAD ~ Data } is collected using both the SATPS and non SATPS methods to obtain { TAIL ~ a master data } set
HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH