Wang, Jieying http://orcid.org/0000-0001-7339-2744
Kondo, Tetsuo
Nakazawa, Tadao
Oishi, Naoki
Mochizuki, Kunio
Katoh, Ryohei
Funding for this research was provided by:
Natural Science Foundation of Shaanxi Provincial Department of Education (18JK0666)
Article History
Received: 26 January 2019
Revised: 6 May 2019
Accepted: 3 June 2019
First Online: 15 June 2019
Compliance with ethical standards
: The study protocols were approved by the Institutional Ethics Board of the University of Yamanashi, Yamanashi, Japan. The study complies with all ethical standards as stated in the Ethical Responsibilities of Authors on the <i>Virchows Archiv</i> webpage (ExternalRef removed).
: The authors declare that they have no conflicts of interest.