Ji, Kemeng https://orcid.org/0000-0002-4148-7252
Han, Jiuhui
Hirata, Akihiko
Fujita, Takeshi https://orcid.org/0000-0002-2318-0433
Shen, Yuhao
Ning, Shoucong
Liu, Pan https://orcid.org/0000-0002-4063-9605
Kashani, Hamzeh
Tian, Yuan
Ito, Yoshikazu
Fujita, Jun-ichi
Oyama, Yutaka
Article History
Received: 24 October 2017
Accepted: 9 December 2018
First Online: 17 January 2019
Competing interests
: The authors declare no competing interests.