Wang, Dexin
Sun, Fanggui
Li, Zheng
Hu, Yutong
Xu, Rongming
Article History
First Online: 5 June 2018
Compliance with ethical guidelines
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: D. Wang, F. Sun, Z. Li, Y. Hu and R. Xu declare that they have no competing interests.
: All studies on humans described in the present manuscript were carried out with the approval of the responsible ethics committee and in accordance with national law and the Helsinki Declaration of 1975 (in its current, revised form). Ethical approval was given by the medical ethics committee of Mingzhou Hospital of Zhejiang University, with the reference number 2018010016. Informed consent was obtained from all patients included in studies. For images or other information within the manuscript which identify patients, consent was obtained from them and/or their legal guardians.