You've reached this survey because you have been referred here by one of the DSCD research assistants. Thank you for your interest in our research studies.


This questionnaire gathers information necessary for us to know if you are able to participate in our studies and also so that we can contact you. Information you give us will be kept confidential. Only members of our study teams with permission can see your answers. Please note however that this means multiple people may contact you regarding different studies.


You do not need to complete this questionnaire. This questionnaire is voluntary. However, if you do not complete the questionnaire, we will not be able to determine if you are eligible to participate in our research studies.


If you have any questions or concerns about this survey, please contact the original research assistant who linked this survey to you.

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