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 1: Parameters for default and 4-minute PETRA sequences
Default 4-Minute
TR 1 3.32 ms 3.32 ms
TR 2 2250 ms 2250 ms
TE 0.07 ms 0.07 ms
TI 1300 ms 2000 ms
TI 2 900 ms 900 ms
Averages 1 1
Slice thickness 0.9 mm 0.9 mm
FOV 300 × 300 300 × 300
Matrix 320 × 320 320 × 320
Voxel size 0.9 × 0.9 × 0.9 mm 0.9 × 0.9 × 0.9 mm
Bandwidth 400 kHz 400 kHz
Flip angle 6° 6°
Radial views 60,000 40,000
Acquisition time 5:57 minutes 4:05 minutes

	Default	4-Minute
TR 1	3.32 ms	3.32 ms
TR 2	2250 ms	2250 ms
TE	0.07 ms	0.07 ms
TI	1300 ms	2000 ms
TI 2	900 ms	900 ms
Averages	1	1
Slice thickness	0.9 mm	0.9 mm
FOV	300 × 300	300 × 300
Matrix	320 × 320	320 × 320
Voxel size	0.9 × 0.9 × 0.9 mm	0.9 × 0.9 × 0.9 mm
Bandwidth	400 kHz	400 kHz
Flip angle	6°	6°
Radial views	60,000	40,000
Acquisition time	5:57 minutes	4:05 minutes