Start Level 1 Node: Key Figures in SEM-CPMKey Figures in SEM-CPMEnd Level 1 Node: Key Figures in SEM-CPM
   Start Level 2 Node: Size of PopulationSize of PopulationEnd Level 2 Node: Size of Population
   Start Level 2 Node: End of StudyEnd of StudyEnd Level 2 Node: End of Study
   Start Level 2 Node: Start of StudyStart of StudyEnd Level 2 Node: Start of Study