build_phi_function_from_coefs
                        convert a pair of simple logistic regression
                        coefficients into P(Y|T) curve:
compute_mu              compute mean window period duration from simple
                        logistic regression coefficients
fit_joint_model         Fit a logistic regression model with an
                        interval-censored covariate
fit_midpoint_model      Fit model using midpoint imputation
fit_uniform_model       Fit model using uniform imputation
plot_CDF                plot estimated and true CDFs for seroconversion
                        date distribution
plot_phi_curves         Plot true and estimated curves for P(Y=1|T=t)
rwicc                   rwicc: Regression with Interval-Censored
                        Covariates
seroconversion_inverse_survival_function
                        Inverse survival function for time-to-event
                        variable with linear hazard function
simulate_interval_censoring
                        Simulate a dataset with interval-censored
                        seroconversion dates
