Funding

This study was not supported by any funding.

Conflict of interest

The authors declare no competing interests.

Ethical approval

The study was approved by the appropriate institutional research ethics committee, and the committee certifies that the study was performed in accordance with the ethical standards as laid down in the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards.

Informed consent

Informed consent was obtained from the patient for participation in the study.

Consent for publication

Consent was obtained from the patient for publication of test results.