Those are the correct dates Rainer. Where did you see different ones?
In a message dated 3/18/2014 2:23:40 P.M. Eastern Daylight Time,
[log in to unmask] writes:
according to the printed program, just received by mail, the Chapel Hill
conference takes place from Wednesday 15 thru Saturday 18 May2014.
beware if you plan hotel and flight bookings ...