It said it was "working very closely" with itspublic sector clients to help identify problemsand "correct future pension payments as quickly as possible".
The NYSE has been battling competition from more-electronically oriented trading networks as well as dealing with public relations and regulatory problems that have called into question the effectiveness of its floor-based auction system.
Denmark has been insulated from Europe's deepest economic problems because of its low public debt, but municipal finances are tight and wages have been under extreme pressure in recent years amid concerns about exports and low productivity.
Despite being under the media microscope for the last four years, the hospital has also had time - and money - to correct the problems on its wards that first brought it to the public's attention.