How often will I get a questionnaire?

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Generally, we mail questionnaires to participants every 6 months: we have a January questionnaire and a July questionnaire. When you first join, we will send you an additional special questionnaire to obtain some background information about you.

If you plan on filling out our questionnaires online, you will fill out an enrollment form when you sign up. Following that, we will email you when a new 6 month questionnaire is available.

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