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Kumaresan Sandrasegaran: Consultant for Exact Sciences, DSM Lipids, Rectify (multicenter study on PSC); Reader phase II\/III trials for Merck, ONO, Bayer, Regeneron, RadMD, AngioDynamics; CEO of JKRN Co. Sudhakar K. Venkatesh: Consultant to GE Healthcare, Siemens Healthineers, Bayer; Textbook Royalties: Springer-Verlag. The other authors of this manuscript declare no relationships with any companies whose products or services may be related to the subject matter of the article.","order":2,"name":"Ethics","label":"Conflict of interest","group":{"name":"EthicsHeading","label":"Compliance with ethical standards"}},{"value":"One of the authors has significant statistical expertise.","order":3,"name":"Ethics","label":"Statistics and biometry","group":{"name":"EthicsHeading","label":"Compliance with ethical standards"}},{"value":"Written informed consent was waived by the Institutional Review Board.","order":4,"name":"Ethics","label":"Informed consent","group":{"name":"EthicsHeading","label":"Compliance with ethical standards"}},{"value":"Institutional Review Board approval was obtained.","order":5,"name":"Ethics","label":"Ethical approval","group":{"name":"EthicsHeading","label":"Compliance with ethical standards"}},{"value":"No study subjects or cohorts have been previously reported.","order":6,"name":"Ethics","label":"Study subjects or cohorts overlap","group":{"name":"EthicsHeading","label":"Compliance with ethical standards"}},{"order":7,"name":"Ethics","label":"Methodology","group":{"name":"EthicsHeading","label":"Compliance with ethical standards"}}]}}