All information obtained during the conduct of this clinical trial is considered confidential. This information may be disclosed as deemed necessary by Neurological Research Center Inc or GlaxoSmithKline, Inc. to other clinical investigators, the IEC/IRB, the FDA and other governmental agencies. Patient identifiers will include patient assigned number, age, and sex. Patient Initials will not be released to the company as this is irrelevant information. The investigator will maintain a confidential subject identification code list of all subjects enrolled in the study by name and subject number. This list will be maintained at the investigative site.