Thank you for your support in the validation of the AO Spine Upper Cervical Injury Classification Validation study!

Please complete the registration below.

We appreciate your time and attention to this important project and look forward to working with you!

Sincerely,

Alexander R. Vaccaro and the AO Spine Knowledge Forum Trauma Group

Loading... Loading...
You have selected an option that triggers this survey to end right now.
To save your responses and end the survey, click the 'End Survey' button below. If you have selected the wrong option by accident and/or wish to return to the survey, click the 'Return and Edit Response' button.