of customers to pay for services; business disruption due to
implementation of new business systems, or due to natural disasters or
terrorist acts; a material shift in utilization within capitated
agreements; and changes in estimates and judgments associated with critical
accounting policies and estimates. For a detailed discussion of certain of
these and other factors that could cause actual results to differ from
those contained in this news release, please refer to the Company's various
filings with the Securities and Exchange Commission (SEC), including the
"Risk Factors" section contained in the Company's annual report on Form
10-K for the year ended December 31, 2006.