Received: 4 May 2020
Accepted: 1 September 2020
First Online: 7 September 2020
Ethics approval and consent to participate
: This study was approved by the Ethics Committees of Beijing Anzhen Hospital, Capital Medical University and the First Affiliated Hospital of Gannan Medical University. Written informed consent was obtained from each patient.
: Consent for publication was obtained from each patient.
: The authors declare that they have no competing interest.