Received: 26 February 2021
Accepted: 9 August 2021
First Online: 18 August 2021
: This study was approved by the Institutional Review Board of the Peking University Cancer Hospital (No. 2017YJZ28). The study was performed in accordance with the ethical standards of the Declaration of Helsinki (1964) and its subsequent amendments. Written and informed consent was obtained from all individual participants included in the study except in one participant with an age less than 18 years old, and whose informed consent was obtained from her parent.
: All adult patients and the adolescent's legal guardians provided written and informed consent for publication of the data.
: The authors declare no competing interests.