Received: 1 August 2019
Accepted: 30 March 2022
First Online: 15 April 2022
: The data usage was approved by the ethics committee of the pervasive and cyborg intelligence laboratory, Zhejiang University. The committee also waived the need for the patients to approve the use of data because it is permitted to use anonymous data under current Chinese laws.
: Not applicable.
: The authors declare that they have no competing interests.