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At first thanks for all the kind answers to my question.

My summary comes quite late but at the moment I'm
very busy. Excuse my for that.

Summary: German Celiac Mailing List

There is one German list managed by Christopher Liebrich.
His email is [log in to unmask] or [log in to unmask]
More information are available at
   http://freddy.rz.fh-mannheim.de/~liebrich/index.html
or
   http://www.anke-und-chris.de/

Then there is a  German speaking Austrian list with about
60 participants from Austria, Swiss and Germany. More
information could be found at
   http://members.kabsi.at/zoeliakie/mlist.html
The list manager can be reached at
   [log in to unmask]

A Web Page with a pinboard, a discussion board and chat
can be reached at
   http://www.zoeliakie.net

One person wrote me that he is preparing a German Celiac
Web page at
   http://www.zoeliakie-info.de
with a discussion forum. A lot of information could be found
there.

The German Celiac Association has a home page at
   http://home.t-online.de/home/DZG.e.V.
with a few information.

Last but not least there was a proposal from one person to
found a new German Celiac List. The prerequistites for that
are available. Please let me know if someone is interested
in this suggestion.

Kind regards, Frank Schirrmeister - Germany, Darmstadt