Hou, Yu-xia
Li, Mu-jia
Olze, Andreas
Schmidt, Sven
Schulz, Ronald
Pfeiffer, Heidi
Chen, Teng
Guo, Yu-cheng
Schmeling, Andreas
Article History
First Online: 16 September 2019
Compliance with ethical guidelines
:
: Y.-x. Hou, M.-j. Li, A. Olze, S. Schmidt, R. Schulz, H. Pfeiffer, T. Chen, Y.-c. Guo and A. Schmeling declare that they have no competing interests.
: All procedures performed in studies involving human participants or on human tissue were in accordance with the ethical standards of the institutional and/or national research committee and with the 1975 Helsinki declaration and its later amendments or comparable ethical standards. The hospital ethics committee approved the study.