PMC:7156291 / 23525-24968 JSONTXT

{"target":"https://pubannotation.org/docs/sourcedb/PMC/sourceid/7156291","sourcedb":"PMC","sourceid":"7156291","source_url":"https://www.ncbi.nlm.nih.gov/pmc/7156291","text":"Publisher’s note\nSpringer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.\nTing Liang and Zhe Liu contributed equally to this work.\n\nFunding information\nThis study has received funding by the National Key Research and Development Program of China (2016YFC0100300); the National Natural Science Foundation of China (Nos. 81171317, 81471631, 81771810, and 51706178), the 2011 New Century Excellent Talent Support Plan of the Ministry of Education, China (NCET-11-0438); the China Postdoctoral Science Foundation (No. 2017M613145); and the Clinical Research Award of the First Affiliated Hospital of Xi’an Jiaotong University (No. XJTU1AF-CRF-2015-004).\n\nCompliance with ethical standards\n\nGuarantor\nThe scientific guarantor of this publication is Jian Yang, Department of Radiology, the First Affiliated Hospital of Xi’an Jiaotong University.\n\nConflict of interest\nThe authors declare that they have no conflict of interest.\n\nStatistics and biometry\nNo complex statistical methods were necessary for this paper.\n\nInformed consent\nWritten informed consent was obtained from all subjects (patients) in this study.\n\nEthical approval\nThis study was approved by the Ethics Committee of the First Affiliated Hospital of Xi’an Jiaotong University. Institutional review board approval was obtained.\n\nMethodology\n• retrospective\n• diagnostic or prognostic study\n• performed at six 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