Regarding the contents of our homepage, we take responsibility for our own editorial contributions. We, however, have no influence on design or correctness of statements of other internet clients websites' and cannot guarantee for any of the contents of any linked webpage.

We also would like to point out to you that the pdf-files which are part of the menu item Guidelines, correspond to the date indicated in the document itself. Even though, we try to make the latest version of each guideline available to you, we can neither guarantee for the correct reproduction of its content nor that the guidelines indicated meet with the currently latest version.