business in Illinois. 5 . The complaint lists five defendants connected with the development of Elk Crossing Mall: Patrick F. Daly and Associates, Inc., the architect for Elk Crossing Mall; D.E.I., Inc., the contract purchaser of the land on which the Elk Crossing Mall was built; Dalan/Jupiter, Inc., a developer of Elk Crossing Mall; Mid-America Real Estate Corporation, the leasing agent for Dalan/Jupiter, Inc. and Elk Crossing Mall; and Patrick F. Daly, an officer, director, and shareholder of Patrick F. Daly and Associates, Inc., D.E.I., Inc., and Da-lan/Jupiter, Inc., and owner of a limited partnership interest in Elk Crossing Mall. 6 . See Nelson v. Monroe Regional Medical Ctr., 925 F.2d 1555, 1563-65 (7th Cir.), cert. dismissed, 502 U.S. 903, 112 S.Ct. 285, 116 L.Ed.2d 236 (1991) (<HOLDING>); Ball Memorial Hosp., Inc. v. Mutual Hosp.,
holding that patients who were denied medical treatment on nonemergency basis had standing to bring antitrust action against medical center holding that conduct by the plaintiff contributing to his illness or medical condition and furnishing the occasion for medical treatment is not a defense to medical malpractice where a doctor negligently treated a man who had attempted to commit suicide holding that emergency medical technicians and paramedics were not entitled to official immunity for their actions related to the treatment of patients in nonemergency situations holding that statements in medical records given for the primary purpose of medical diagnosis and treatment are nontestimonial holding that a plaintiff must show antitrust injury in order to bring an antitrust lawsuit