Funding for this research was provided by:
Capital Health Research and Development of Special (2016-2-2093)
Received: 27 November 2019
Accepted: 11 February 2020
First Online: 19 February 2020
Ethics approval and consent to participate
: This study was approved by the institutional review board of the Capital Medical University for medical sciences. All procedures were carried out in full compliance with the requirements of the Code of Ethics of the World Medical Association. Written informed consent on participation in drug sensitivity assay in vitro was obtained from both parents in all cases.
: Not applicable.
: The authors do not have any possible conflicts of interest.