Lu, Yang
Shen, Hangqi
Wang, Jiayi
Lu, Xiaofeng
Article History
Received: 8 January 2018
Accepted: 30 March 2018
First Online: 12 April 2018
Compliance with ethical standards
:
: Yang Lu and Hangqi Shen are the co-first authors. Yang Lu, Hangqi Shen, Jiayi Wang, and Xiaofeng Lu declare that they have no conflict of interest.
: The study was approved by the School of medicine ethics Committee, Shanghai Jiao Tong University. It was performed in accordance with the ethical standards as laid down in the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards.
: For this type of study, formal consent is not required.