http://www.screendaily.com/territories/europe/whats-happening-with-the-two-versions-of-nymphomaniac/5063877.article?blocktitle=LATEST-FILM-NEWS&contentID=40562
The shorter four-hour version will launch in Denmark on Christmas Day followed by release in other territories in the first quarter of 2014.
Lars von Trier’s longer, more sexually explicit, approximately 5.5-hour cut will be launched several months later.
“All the distributors have to decide for themselves how they will put the uncensored one out,”
...
There will be a press junket in early December allowing journalists to see the short version of the film so they can prepare interviews with the actors (von Trier famously has declared that he won’t do interviews anymore).
There will be a critics’ screening later in December with reviews embargoed.