; (ii) laboratory, radiology, or pharmacy services that are delivered to privately insured patients of such hospital; (iii) surgical services; (iv) hospitals or group purchasing organizations; or (v) rehabilitation or physical therapy facilities or services; and (B) include revenue- or profit-sharing whether through a joint venture, management or professional services agreement, or other form of gain-sharing contract; (2) describe Federal oversight of such relationships, including authorities of the Department of Health and Human Services and the Federal Trade Commission to review such relationships and their potential to increase costs for patients, and identify limitations in such oversight