“A Smooth Test of Goodness-of-Fit for the Baseline Hazard Function for Time-to-First Occurrence in Recurrent Events: An Application to HIV Retention Data”. International Journal of Statistics in Medical Research, vol. 6, no. 3, Aug. 2017, pp. 104-13, https://doi.org/10.6000/1929-6029.2017.06.03.2.