Table 1.

Scores specifications of the low density regions and with typical structure examples.

Region	tPS1††	tPS2‡‡	tPS3§§	tPS4***	Example
I	<−5	-	-	-
II	−3.5 – −2.5	−0.5 – 0.5
III	-	>6	-	-
IV	0 – 4	−1.5 – −1	-	-
V	7.5 – 12.5	−1 – 1	-	-
VI	5 – 10	−2 – −3.5	-	-
VII	<5	-	-	>4
VIII	<10	-	-	<−1.5
IX	10–30	-	-	<0
X	>30	-	-	-

^††Predicted scores in component 1

^‡‡Predicted scores in component 2

^§§Predicted scores in component 3

^***Predicted scores in component 4