28 2.3 Study Schema for Group A .......................................................................... 29 2.4 Study Schema for Group B .......................................................................... 30 3. PRINCIPAL INVESTIGAT OR (PI) AND STUDY ST AFF ................................31 3.1 KEY STUDY PERSONNEL ....................................................................... 31 3.2 KEY STUDY PERSONNEL EXTERNAL SITES ..................................... 34 4. STUDY LOCATION(S) ..........................................................................................36 5. TIME REQUIRED TO COM PLETE THE STUDY ............................................37 6.