This web site uses Piwik, an open-source software for statistical analyses of user accesses. Piwik is privacy-compliant and data is anonymised for storage. Piwik uses "cookies", which are text files stored temporarily on your computer. These files are deleted as soon as your web browser is closed. You can deactivate data recording by Piwik by using the opt-out option below. If your browser supports "do-not-track" technology and you have turned it on, your visit will be automatically ignored.
The data Piwik collects is never sent to other servers or to third parties; it is used in anonymised form to improve our services. IP addresses are stored in Piwik without the final tuple.
By using this web site, you agree that the data Piwik collects about you may be processed in the manner previously described and for the purpose previously stated.