208.951.  Request for proposals. — For purposes of a request for proposal for health improvement plans, there shall be a request for proposal for at least six regions in the state, however in no case shall there be a single statewide contract.  Counties with a risk-bearing care coordination plan as of July 1, 2007, shall continue as risk-bearing care coordination plans for the categories of aid in such program as of July 1, 2007.  Nothing in sections 208.950 and 208.955 shall be construed to void a chronic care improvement plan contract existing on August 28, 2007.