Thank you for your interest in our study. The purpose of this survey is to ascertain some basic information about you and to see if you qualify for our study.

Please be as complete as possible in your responses. If you qualify, someone from our office will be in contact shortly.

We will ask about your basic contact information, ownership and usage of OTR. Please be as complete as possible in your responses.

If you qualify, someone from our office will be in contact with you shortly.