1naresh
Array
(
    [urn:ac.highwire.org:guest:identity] => Array
        (
            [runtime-id] => urn:ac.highwire.org:guest:identity
            [type] => guest
            [service-id] => ajnr-ac.highwire.org
            [access-type] => Controlled
            [privilege] => Array
                (
                    [urn:ac.highwire.org:guest:privilege] => Array
                        (
                            [runtime-id] => urn:ac.highwire.org:guest:privilege
                            [type] => privilege-set
                            [privilege-set] => GUEST
                        )

                )

            [credentials] => Array
                (
                    [method] => guest
                )

        )

)
1nareshArray
(
    [urn:ac.highwire.org:guest:identity] => Array
        (
            [runtime-id] => urn:ac.highwire.org:guest:identity
            [type] => guest
            [service-id] => ajnr-ac.highwire.org
            [access-type] => Controlled
            [privilege] => Array
                (
                    [urn:ac.highwire.org:guest:privilege] => Array
                        (
                            [runtime-id] => urn:ac.highwire.org:guest:privilege
                            [type] => privilege-set
                            [privilege-set] => GUEST
                        )

                )

            [credentials] => Array
                (
                    [method] => guest
                )

        )

)

TABLE 3: Relationship between degree of collateral flow and observable laterality of PCA at MRA
Degree of Collateral Flow (Ipsilateral-Contralateral) Score of PCA Laterality
2 1 0 
P4–P2p P4–P3 P3–P2p P2p–P2a P4–P4 P3–P3 P2a–P2a
Prominent 1 8 1 0 1 0 0
Mild 0 0 1 1 1 7 0
Absent 0 0 0 0 0 3 1
Degree of Collateral Flow (Ipsilateral-Contralateral)	Score of PCA Laterality
	2		1			0
	P4–P2p	P4–P3	P3–P2p	P2p–P2a	P4–P4	P3–P3	P2a–P2a
Prominent	1	8	1	0	1	0	0
Mild	0	0	1	1	1	7	0
Absent	0	0	0	0	0	3	1