Petition by defendants (Cabarrus Memorial Hospital, Cabarrus Memorial Hospital, d/b/a/ Kannapolis Internal Medicine and Kannapolis Internal Medicine) for discretionary review pursuant to G.S. 7A-31 denied 17 January 2001. Motion by defendants (Cabarrus Memorial Hospital, Cabarrus Memorial Hospital d/b/a Kannapolis Internal Medicine and Kannapolis Internal Medicine) to withdraw petition for discretionary review dismissed as moot 29 January 2001.