@article {burstyn2013measures, title = {What do measures of agreement (${\k a}ppa$) tell us about quality of exposure assessment? Theoretical analysis and numerical simulation}, journal = {BMJ open}, volume = {3}, number = {12}, year = {2013}, pages = {e003952}, publisher = {British Medical Journal Publishing Group}, doi = {10.1136/bmjopen-2013-003952}, author = {Burstyn, Igor and de Vocht, Frank and Gustafson, Paul} }