1. Call the SCH phone number given to you by the study staff when you enrolled. If you lost the SCH phone number please use the link at the bottom of this page to email the study staff.

2. You can use a Land line or Cell phone

3. If you are calling from the phone number that you registered with for the study, SCH will recognize you and will only ask for your PIN.

4. Your PIN is the 4-digit number given to you by the study staff

5. If you are calling from a different phone, SCH will ask you to enter the phone number you enrolled with and once that is confirmed it will ask you to enter your PIN.

6. Use the keypad to answer the questions. Answers spoken into the phone are not recorded.