Funding for this research was provided by:
National Natural Science Foundation of China (81904261)
Article History
Received: 24 June 2022
Accepted: 12 December 2022
First Online: 9 January 2023
Declarations
:
: The authors declare that they have no competing interests.
: The study protocol was approved by the Ethics Committee of the Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing (Reference number: BZYYYDX-LL-20150208). Signed ICFs were obtained from participants before they were assigned to the study groups. The study was conducted in accordance with the principles of the Declaration of Helsinki (2004) and in accordance with the Medical Research Involving Human Subjects Act (WMO). Note: the registration was supplemented later in the clinical trial registration center.
: All subjects who participated in the image acquisition signed ICFs. The patients agreed that his or her information in this study could be revealed for publication. Signed ICFs from the patients in this study are kept in the author’s institution and are available for review upon request from the Editor-in-Chief.