The inventors of the present invention have determined that synchronizing {HEAD ~ such multiple acquisition modules} potentially poses {TAIL ~ a problem} 
The inventors of the present invention have determined that synchronizing { HEAD ~ such multiple acquisition modules } potentially poses { TAIL ~ a problem }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL