Funding for this research was provided by:
National Natural Science Foundation of China (81170653 & 81202314)
the Shandong Provincial Natural Science Foundation (ZR2014JL054)
Received: 20 November 2017
Accepted: 5 December 2018
First Online: 17 December 2018
Ethics approval and consent to participate
: Additional analyses were approved by the Ethics Committee of the affiliated hospital of Qingdao University (No. 20170211).Informed consent to participate and publish was obtained from guardians of the subject.
: Written informed consent was obtained from the guardians of the patient for publication of this Case Report and any accompanying images. The 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.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.