FAQs - Frequently Asked Questions

Checking CIS telephone extension

If you wish to verify the extension from which the CIS called you, you can do so through the following telephone numbers. You will be informed of the study being conducted and the telephone extension from which you received the call will be verified.

Morning schedule

From 8:30 a.m. to 3:30 p.m. Contact telephone number:  678 076 136

Afternoon schedule

From 3:30 p.m. to 9:30 p.m. Contact phone number:  617 824 329

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