Ethical approval

This retrospective chart review study involving human participants was in accordance with the ethical standards of the institutional and national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards, with the Human Investigation Committee (IRB) approval (I 3324822) at our institution.

Informed consent

This chart review study does not reveal Protected Health Information (PHI) or identifying details such as names, dates of birth, identity numbers, biometrical characteristics (such as facial features, fingerprint, writing style, voice pattern, DNA, or other distinguishing characteristic). No informed consent was obtained from individuals included in the study.

Consent for publication

This chart review study does not reveal Protected Health Information (PHI) or identifying details such as names, dates of birth, identity numbers, biometrical characteristics (such as facial features, fingerprint, writing style, voice pattern, DNA or other distinguishing characteristic). No informed consent was obtained from individuals included in the study.

Conflict of interest

The authors declare no competing interests.