digraph G {
 rankdir=LR
 node [shape=box, fontsize=9, height=0.1, width=0.05 ]
 edge [arrowsize=0.5, len=0.1]
"BasicDiag\n"
"BradyAdvDiag\n"
"TachyAdvDiag\n"
"BradyTreatmentStage1\n"
"BradyTreatmentStage2\n"
"TachyTreatmentStage1\n"
"TachyTreatmentStage2\n"
"TachyTreatmentStage1\n"->"TachyTreatmentStage2\n"
"BradyTreatmentStage1\n"->"BradyTreatmentStage2\n"
"TachyAdvDiag\n"->"TachyTreatmentStage1\n"
"BradyAdvDiag\n"->"BradyTreatmentStage1\n"
"BasicDiag\n"->"TachyAdvDiag\n"
"BasicDiag\n"->"BradyAdvDiag\n"
}