TY - STAND AU - J. Rassen AU - D. Bartels AU - S. Schneeweiss AU - A. Patrick AU - W. Murk BT - Clin Epidemiol DO - 10.2147/clep.s181242 PY - 2019 SP - 1 EP - 15 T2 - Clin Epidemiol TI - Measuring prevalence and incidence of chronic conditions in claims and electronic health record databases VL - 11 SN - 1179-1349 (Print) 1179-1349 ER -