Received: 17 May 2021
Accepted: 28 September 2021
First Online: 8 October 2021
: We have obtained the parents’ consent and signatures on the informed consent form. The study was carried out in accordance with the Declaration of Helsinki of the World and was approved by the Committee of Medical Ethics of The Second Affiliated Hospital of Chongqing Medical University.
: The consent for publication from the patient’s parents had been acquired. The informed consent form with parents’ signatures was obtained from the patients’ parents.
: The authors declare that they have no competing interests.