This health information was developed and published by the Institute for Quality and Efficiency in Health Care (IQWiG). It is based on evaluation of the scientific evidence available at the time of preparation, as well as other sources of information.
IQWiG's health information is developed primarily for people in Germany as per its legal mandate. The information is not intended to be used for self-diagnosis. It cannot and should not replace consultation between a doctor and patient.
We are committed to protecting your privacy. The policy outlined below covers your interaction with our website and how we handle any of the information you send us that might identify you (such as your email address).
Under no circumstances will your personal data be transferred to any third party.
Data collected by this website
For the purposes of marketing and optimization, data from this website are collected and stored using technologies supplied by etracker GmbH. The use of our website undergoes continuous evaluation in order for us to offer you improved services. We cannot attribute the data recorded this way to any individual persons, and they are stored only for purposes of statistical analysis.
Consent to data collection and storage may be withdrawn at any time with future effect.
We require your email address to send you the newsletter offered on our website. Other optional personal information, such as occupation, is used only in connection with the newsletter and for statistical purposes (to optimize the information we provide). This information will not be used in any other way. If the newsletter subscription is terminated, all of your user data will be deleted.
Surveys, ratings and messages
You can participate in surveys and contact us by using the contact form or by email. All personal data we receive will be used only in connection with the matter you have inquired about. This information will not be used for any other purpose.
If you would like information about how we handle your personal data, please contact us using the contact form on the website or by post.
This website includes links to other websites. We have no influence on how those websites protect your privacy. Links are chosen only after careful evaluation. Our editors have no influence on the current and future configuration and contents of the linked websites. The Institute for Quality and Efficiency in Health Care (IQWiG) is not responsible for the contents of external websites, and does not adopt their contents as a part of this website. Only the publisher of any website to which we link is responsible for any illegal, inaccurate or incomplete contents.
Right of access
You may request information on the status of your stored personal data any time. This request may be made free of charge and without stating a reason. Please contact us at firstname.lastname@example.org.
Downloading of images from this website is permitted for personal use only. Republication, retransmission, reproduction or other use of the images is prohibited.
Last updated: September 13, 2012