Received: 21 December 2020
Accepted: 1 April 2021
First Online: 12 April 2021
: This study was conducted with approval from the Ethics Committee of Chinese PLA General Hospital and was performed in accordance with the Declaration of Helsinki. Written informed consent was obtained from all participants. For participants below 18 years, informed consents were obtained from legal guardian.
: We have obtained consent to publish from the participants, and the participants’ parent and/or legal guardian of minors.
: The authors declare that they have no competing interests.