Funding for this research was provided by:
National Natural Science Foundation of China (61272388, 61702141)
the Harbin Applied Technology Research and Development Project (2016RQQXJ105)
the University Student Innovation and Entrepreneurship Training Program in Heilongjiang Province (201610226012)
Received: 8 June 2019
Accepted: 25 October 2019
First Online: 12 November 2019
Ethics approval and consent to participate
: The study was approved by the the Second Affiliated Hospital, Harbin Medical University. The patients and their families have read and signed the informed consent form.
: Written informed consent was obtained from all patients included in this report for the use of clinical-related materials for scientific research and publications.
: The authors declare that they have no competing interests.