Added COA terms to external_imports
Imported the following COA terms under NCIT per standard CPONT protocol:
- Nine-hole Peg Test
- Short Form 36 Health Survey
- Activities of Daily Living
- Patient Global Impression for Improvement
- Pediatric Quality of Life Inventory V4 Child Parent Report
- Pediatric Quality of Life Inventory V4 Child
- Six Minute Walk Distance
- Ten Meter Walk/ Run