PM203 Hypertension Knowledge Retention Among Community Health Workers in Rural Western Kenya: Process Evaluation of the Lark Hypertension Study - Frawley, A.; Rotich, J.; Delong, A.K.; Menya, D.; Naanyu, V.; Horowitz, C.R.; Fuster, V.; Litzelman, D.; Kamano, J.; Vedanthan, R. (Global heart, 2016)