/**
  * Returns the tasks of a therapy
  *
  * @return goalTableItems in a <code>ArrayList</code><Object[]>
  */
 public ArrayList<Object[]> getTasksOfTherapy() {
   taskData.clear();
   for (TaskModel task : therapies.get(0).getTasks()) {
     Object[] taskTableContainer = new Object[2];
     taskTableContainer[0] = task.getTaskGoal();
     taskTableContainer[1] = task.getTaskDate();
     taskData.add(taskTableContainer);
   }
   return taskData;
 }