Declarations section
- Ethical approval and consent to participate: this review
article does not involve animals or patients, so this section does not
apply.
- Consent for publication: The author gives her consent for the
publication of this manuscript.
- Availability of supporting data: this review article does
have supporting data, so this section does not apply.
- Competing interests: The author declares no conflicts of
interest.
- Funding: No funding was received for this study.
- Authors’ contributions: T. R-T conceived, wrote and reviewed
the manuscript.
- Acknowledgements: No acknowledgements.