Wu, Yanyan http://orcid.org/0000-0002-3638-4224
Gao, Lu http://orcid.org/0000-0003-1632-5101
Guo, Xiaopeng http://orcid.org/0000-0002-4183-5560
Wang, Zihao http://orcid.org/0000-0002-3961-0100
Lian, Wei http://orcid.org/0000-0002-8023-5138
Deng, Kan http://orcid.org/0000-0001-9571-3705
Lu, Lin http://orcid.org/0000-0003-3379-8277
Xing, Bing http://orcid.org/0000-0002-3864-5168
Zhu, Huijuan http://orcid.org/0000-0001-5172-6870
Article History
First Online: 14 January 2019
Compliance with ethical standards
:
: The authors declare no conflicts of interest.
: This study was performed in accordance with the ethical standards of the Institutional Ethics Committee of Peking Union Medical College Hospital at the Chinese Academy of Medical Sciences & Peking Union Medical College and with the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards.
: Written or verbal informed consent was obtained from all individual participants included in the study.