Wang, Kunling
Jiang, Changxin
Jia, Hongwei
Zhang, Xin
Sun, Zhijie
Zhu, Mei
Article History
Received: 6 June 2018
Accepted: 3 January 2019
First Online: 10 January 2019
Compliance with ethical standards
: The study has been approved by the Ethics Committee of Tianjin Medical University General Hospital and has been performed in accordance with the ethical standards as laid down in the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards.
: Informed consent was obtained from the patient.
: None.