(To Be completed after receiving a registration packet in the mail with an ID number)
Please register first in the panel below, or at this link ( https://www.surveymonkey.com/r/8XPPC2J)
If you have already registered (below) and received your packet in the mail, and prefer to answer questions on-line instead of using the scantron form in the packet, please complete this questionnaire at the following link on SurveyMonkey.
If you complete the questionnaire online, you do not have to return a hard copy of the answers. However, all participants have to return a consent form (for adults) or parent consent form and assent form (for minors) with their hair sample. Fingernail samples are also requested, but optional.
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