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Minor fix in text and affiliations
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mathieuboudreau committed Jun 12, 2023
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"<sup>12</sup>Stanford University, Stanford, California, United States,\n",
"<sup>13</sup>Medical Physics Unit, McGill University, Montreal, Canada,\n",
"<sup>14</sup>University of British Columbia, Vancouver, Canada,\n",
"<sup>15</sup>Department of Medical Imaging, McGill University Health Centre,\n",
"<sup>16</sup>Department of Radiology, McGill University, Montreal, Canada,\n",
"<sup>15</sup>Department of Medical Imaging, McGill University Health Centre, Montreal, Quebec, Canada\n",
"<sup>16</sup>Department of Radiology, McGill University, Montreal, Quebec, Canada,\n",
"<sup>17</sup>Department of Diagnostic and Interventional Imaging, University of Texas Health Science Center at Houston, McGovern Medical School, Houston, Texas, USA, \n",
"<sup>18</sup>MR Clinical Science, Philips Canada, Mississauga, Ontario, Canada,\n",
"<sup>19</sup>Department of Human Oncology, University of Wisconsin-Madison, Madison, Wisconsin, USA,\n",
"<sup>20</sup>Centre for Medical Image Computing, Department of Computer Science, University College London, London, UK,\n",
"<sup>21</sup>Lysholm Department of Neuroradiology, National Hospital for Neurology and Neurosurgery, University College London Hospitals NHS Foundation Trust, London, UK,\n",
"<sup>22</sup>Department of Biomedical Engineering, Case Western Reserve University, Cleveland, Ohio, USA, \n",
"<sup>23</sup>Department of Medical Radiation Sciences, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden Department of Medical Physics,\n",
"<sup>23</sup>Department of Medical Radiation Sciences, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden,\n",
"<sup>24</sup>Biomedical Engineering, Sahlgrenska University Hospital, Gothenburg, Sweden, \n",
"<sup>25</sup>Center for Mind/Brain Sciences, University of Trento, Italy,\n",
"<sup>26</sup>Hopital Maisonneuve-Rosemont, Montreal, Canada,\n",
"<sup>27</sup>Bioengineering, Imperial College London,\n",
"<sup>28</sup>Radiotherapy and Imaging, Insitute of Cancer Research,\n",
"<sup>27</sup>Bioengineering, Imperial College London, UK,\n",
"<sup>28</sup>Radiotherapy and Imaging, Insitute of Cancer Research, Imperial College London, UK,\n",
"<sup>29</sup>Research Institute of the McGill University Health Centre, Montreal, Canada,\n",
"<sup>30</sup>Clinical Science, Philips Healthcare, Germany,\n",
"<sup>31</sup>Department of Radiological Sciences, University of California Los Angeles, Los Angeles, CA, USA,\n",
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"<sup>35</sup>National Laboratory for Magnetic Resonance Imaging, Institute of Neurobiology, Universidad Nacional Autónoma de México (UNAM), Juriquilla, Mexico,\n",
"<sup>36</sup>Computer Science Department, Centro de Investigación en Matemáticas, A.C., Guanajuato, México,\n",
"<sup>37</sup>Medical Research Council, London Institute of Medical Sciences, Imperial College London, London, United Kingdom,\n",
"<sup>38</sup>Department of Radiation Oncology - CNS Service, The University of Texas MD Anderson Cancer Center,\n",
"<sup>38</sup>Department of Radiation Oncology - CNS Service, The University of Texas MD Anderson Cancer Center, Texas, USA,\n",
"<sup>39</sup>Department of Biomedical Engineering, University of British Columbia, British Columbia, Canada,\n",
"<sup>40</sup>Center for Advanced Interdisciplinary Research, Ss. Cyril and Methodius University, Skopje, North Macedonia\n",
"</p>\n",
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"</p>\n",
"\n",
"<p style=\"text-align:justify;\">\n",
"Efforts have been made to develop quantitative MRI phantoms to assist in standardizing T<sub>1</sub> mapping methods (Keenan et al. 2018). A quantitative MRI standard system phantom was created in a joint project between the International Society for Magnetic Resonance in Medicine (ISMRM) and the National Institute of Standards and Technology (NIST) (Stupic et al. 2021), and has since been commercialized (Premium System Phantom, CaliberMRI, Boulder, Colorado). The spherical phantom has a 57-element fiducial array containing spheres with doped liquids that model a wide range of T<sub>1</sub>, T<sub>2</sub>, and PD values. The reference values of each sphere were measured using NMR at 1.5T and 3T (Stupic et al. 2021). The standardized concentration for relaxometry values established as references by NIST are also used by another company for their relaxometry MRI phantoms (Gold Standard Phantoms Ltd., Rochester, England). The cardiac TIMES phantom (Captur et al. 2016) is another commercially available system phantom focusing on T<sub>1</sub> and T<sub>2</sub> values in blood and heart muscles, pre- and post-contrast. The ISMRM/NIST phantom has been used in several large multicenter studies already, for example in (Bane et al. 2018) where they compared measurements at eight sites on a single ISMRM/NIST phantom using the inversion recovery and VFA T<sub>1</sub> mapping protocols recommended by NIST, as well as some site-specific imaging protocols used for dynamic contrast enhanced (DCE) imaging. Bane et al. (Bane et al. 2018) concluded that the acquisition protocol, field strength, and T<sub>1</sub> value of the sample impacted the level of accuracy, repeatability, and interplatform reproducibility that was observed. In another study led by NIST researchers (Keenan et al. 2021), T<sub>1</sub> measurements were done at two clinical field strengths (1.5T and 3.0 T) and 27 MRI systems (three vendors) using the recommended NIST protocols. That study, which only investigated phantoms, found no significant relationship between T<sub>1</sub> discrepancies of the measurements and the MRI vendors used.\n",
"Efforts have been made to develop quantitative MRI phantoms to assist in standardizing T<sub>1</sub> mapping methods (Keenan et al. 2018). A quantitative MRI standard system phantom was created in a joint project between the International Society for Magnetic Resonance in Medicine (ISMRM) and the National Institute of Standards and Technology (NIST) (Stupic et al. 2021), and has since been commercialized (Premium System Phantom, CaliberMRI, Boulder, Colorado). The spherical phantom has a 57-element fiducial array containing spheres with doped liquids that model a wide range of T<sub>1</sub>, T<sub>2</sub>, and PD values. The reference values of each sphere were measured using NMR at 3T (Stupic et al. 2021). The standardized concentration for relaxometry values established as references by NIST are also used by another company for their relaxometry MRI phantoms (Gold Standard Phantoms Ltd., Rochester, England). The cardiac TIMES phantom (Captur et al. 2016) is another commercially available system phantom focusing on T<sub>1</sub> and T<sub>2</sub> values in blood and heart muscles, pre- and post-contrast. The ISMRM/NIST phantom has been used in several large multicenter studies already, for example in (Bane et al. 2018) where they compared measurements at eight sites on a single ISMRM/NIST phantom using the inversion recovery and VFA T<sub>1</sub> mapping protocols recommended by NIST, as well as some site-specific imaging protocols used for dynamic contrast enhanced (DCE) imaging. Bane et al. (Bane et al. 2018) concluded that the acquisition protocol, field strength, and T<sub>1</sub> value of the sample impacted the level of accuracy, repeatability, and interplatform reproducibility that was observed. In another study led by NIST researchers (Keenan et al. 2021), T<sub>1</sub> measurements were done at two clinical field strengths (1.5T and 3.0 T) and 27 MRI systems (three vendors) using the recommended NIST protocols. That study, which only investigated phantoms, found no significant relationship between T<sub>1</sub> discrepancies of the measurements and the MRI vendors used.\n",
"</p>\n",
"\n",
"<p style=\"text-align:justify;\">\n",
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