We gratefully acknowledge the Australasian Association of Clinical Biochemists (AACB) in agreeing to provide financial support for transportation of Bile Acid Comparison and Harmonisation (BACH) samples to participating laboratories servicing Australian TURRIFIC trial recruitment sites.
Research funding: None declared.
Author contributions: All authors have accepted responsibility for the entire content of this manuscript and approved its submission.
Competing interests: Authors state no conflict of interest.
Informed consent: Not applicable.
Ethical approval: Ethical approval for the study has been granted by the Women’s and Children’s Hospital Human Research Ethics Committee (HREC/18/WCHN/36).
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