Constant Physical Activity : Hear, Read, Concentrate, Think Analytically, Frequent Physical Activity : Stand, Walk, Talk, Use hands to touch, handle or feel, Occasional Physical Activity : Sit, Bend, crawl, crouch, kneel, stoop, reach overhead, Taste or Smell, Lift/Carry Weight: 25 Lbs. Serves as the general administrator and liaison for the PI, research subjects, human-testing compliance, privacy/HIPAA compliance, research/clinical professionals, and the granting or funding entity related to the research protocol.