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 ) ) ) 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
                )

        )

)

Baseline patient characteristics
Patient Sex Presenting Symptoms VAD Imaging Follow-up
1 M Trauma, neck pain Left Rind sign resolved, lumen normal
2 F Posterior circ. stroke Left Narrowing of VAs bilateral
3 F Headache, vertigo, occipital h/a Left Rind sign resolved, lumen normal
4 M Occipital headache Bilateral Rind sign resolved, lumens normal
5 M Posterior circ. stroke Right Rind sign resolved, lumen normal
6 F Horner syndrome, posterior circ. stroke, neck pain Left Occlusion LVA
Note:—circ. indicates circulation; h/a, headache; LVA, left vertebral artery; VAD, vertebral artery dissection; VA, vertebral artery.

Patient	Sex	Presenting Symptoms	VAD	Imaging Follow-up
1	M	Trauma, neck pain	Left	Rind sign resolved, lumen normal
2	F	Posterior circ. stroke	Left	Narrowing of VAs bilateral
3	F	Headache, vertigo, occipital h/a	Left	Rind sign resolved, lumen normal
4	M	Occipital headache	Bilateral	Rind sign resolved, lumens normal
5	M	Posterior circ. stroke	Right	Rind sign resolved, lumen normal
6	F	Horner syndrome, posterior circ. stroke, neck pain	Left	Occlusion LVA