Xue, Jiao
Qian, Ping
Li, Hui
Wu, Ye
Xiong, Hui
Zhang, Yue-Hua
Yang, Zhi-Xian
Article History
Received: 13 December 2016
Revised: 25 April 2017
Accepted: 25 April 2017
First Online: 26 April 2018
Compliance with ethical standards
:
: This study was approved by the Ethical Committee of Peking University First Hospital. The individuals’ parents in this manuscript had given written informed consent to publish these cases details. All data were analyzed anonymously.
: The authors declare that they have no conflict of interest.