Funding for this research was provided by:
Guizhou Science and Technology Department (2806)
Received: 23 December 2020
Accepted: 22 March 2021
First Online: 7 April 2021
: This study was approved by the Research Ethics Committee at Zunyi Medical University. Written informed consent was obtained from all participants. For participants under 16 years old, written informed consent was obtained from a parent or guardian.
: Written informed consent for publication of identifying images or other personal or clinical details was obtained from all of the participants included in the study. For participants under 18 years old, written informed consent was obtained from a parent or legal guardian.
: The authors have no declaration of conflicts of interest. All the experiments undertaken in this study comply with the current laws of China, where the research was performed.