If you are interested in KOOS/HOOS/FAOS instruments:

KOOS©, KOOS-12©, KOOS-Child©, HOOS©, HOOS-12© and FAOS© are protected by international copyright with all rights reserved to Professor Ewa Maria Roos. Do not use without permission.

The instruments are free to use for non-funded and funded academic users. A permission is however always required. Corresponding fees will be required, which is dependent on the type of user ranging from non-for-profit healthcare organizations, for-profit healthcare organizations and commercial users.

For information on, or permission to use the instruments, please contact Mapi Research Trust.

Submit your request through Mapi Research Trust ePROVIDE™ platform.

Submitting a request is completely free of charge and will ensure an optimized service. It does not commit you to purchasing a questionnaire.

1. Go to Submit a request

2. If you haven't registered yet, you'll be asked to sign up for free

3. Complete the request form. You may attach documents if need be.

This tutorial may guide you through the process.

For any further help, please consult our FAQ, or contact us at eprovidetechnicalsupport@mapi-trust.org.