Complex sentence: City of Kenmore, Evergreen Health, and Bastyr University helped underwrite the CAWM Pool from 2003-2008, but as of 2009, only Evergreen Health and Bastyr University were continuing partners.
Split into simpler sentences: City of Kenmore, Evergreen Health, and Bastyr University helped underwrite the CAWM Pool from 2003-2008. In 2009 only Evergreen Health and Bastyr University were continuing partners.