For example, {HEAD ~ personal information} of {TAIL ~ a participant} may be entered into an Investigator Database 106 and subsequently transferred to the Centralized Secure Database 101 so that the information is no longer accessible to the Investigator Database 106 and is never accessible to the Administrator Database 104 
of
For example , { HEAD ~ personal information } of { TAIL ~ a participant } may be entered into an Investigator Database 106 and subsequently transferred to the Centralized Secure Database 101 so that the information is no longer accessible to the Investigator Database 106 and is never accessible to the Administrator Database 104
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH