https://figshare.com/articles/dataset/Sensitivity_analysis_altering_the_positioning_of_the_knots_k1_and_k2_in_the_exposure_response_dimension_and_the_number_of_degrees_of_freedom_for_the_NS_representing_the_lag_response_function_df1_and_per_year_for_seasonality_df2_/29536035