According to the article, "Predictive modelling of training loads and injury in Australian football", what is the problem faced by Australian football coaches who would like to apply the results of the study and utilize one of the models to predict hamstring injuries? Group of answer choices coaches have to consider how much modification of player training they are willing to accept in an attempt to prevent injuries all of the models predicted injuries so well, it would be hard for a coach to choose which one to use the data collection process (i.e. GPS data collection) is time consuming and complex