Xu, Xiaoying
Lin, Shih-Che
Li, Quanshui
Zhang, Zhili
Ivanov, Ilia N.
Li, Yuan
Wang, Wenbin
Gu, Baohua
Zhang, Zhenyu
Hsueh, Chun-Hway
Snijders, Paul C.
Seal, Katyayani
Article History
Received: 16 October 2014
Accepted: 12 February 2015
First Online: 30 April 2015
Competing interests
: The authors declare no competing financial interests.