Funding for this research was provided by:
National Natural Science Foundation of China (81360232)
Department of Science and Technology of Guiyang City (2019133, 20199138)
Key Laboratory of Adult Stem Cell Transformation Research, Chinese Academy of Medical Sciences/Stem Cell and Tissue Engineering Research Center, Guizhou Medical University (2018YB04)
Received: 16 November 2019
Accepted: 14 January 2020
First Online: 29 January 2020
Ethics approval and consent to participate
: This study was registered in the Chinese Clinical Trial Registry (ChiCTR-ORC-17011698). The study was reviewed and approved by the Guizhou Medical University Ethics Committee. The patients and their family members were fully informed and signed the consent forms.
: Written informed consent was obtained from the patient for publication of this study and any accompanying images. A copy of the written consent is available for review by the Editor of this journal.
: The authors declare that they have no competing interests.