Article History
Received: 24 December 2019
Accepted: 11 June 2020
First Online: 18 June 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The present study was retrospective. Our local ethics committee did not require the study’s approval or the patients’ informed consent for this retrospective review of patients’ records and images except for the patients’ genetic information. In addition, our local ethics committee approved using genetic information for this research.The healthy volunteers were recruited and examined at our hospital. Our local ethics committee approved the MR study of healthy volunteers for research.
: Written informed consent was obtained from all patients and all healthy volunteers.