  We rigorously extend the widely used wild bootstrap resampling technique to
the multivariate Nelson-Aalen estimator under Aalen's multiplicative intensity
model. Aalen's model covers general Markovian multistate models including
competing risks subject to independent left-truncation and right-censoring.
This leads to various statistical applications such as asymptotically valid
confidence bands or tests for equivalence and proportional hazards. This is
exemplified in a data analysis examining the impact of ventilation on the
duration of intensive care unit stay. The finite sample properties of the new
procedures are investigated in a simulation study.
