Ethics approval

The study was approved by the institutional review board of our hospital, and registered at Clinicaltrial.gov (NCT 04125511).

Consent to participate

Informed consent was obtained from all individual participants included in the study.

Consent to publish

The authors affirm that human research participants provided informed consent for publication of the images in Fig. 1.

Competing interests

The authors have no relevant financial or non-financial interests to disclose.