Li, June
van der Wal, Dianne E.
Zhu, Guangheng
Xu, Miao
Yougbare, Issaka
Ma, Li
Vadasz, Brian
Carrim, Naadiya
Grozovsky, Renata
Ruan, Min
Zhu, Lingyan
Zeng, Qingshu
Tao, Lili
Zhai, Zhi-min
Peng, Jun
Hou, Ming
Leytin, Valery
Freedman, John
Hoffmeister, Karin M.
Ni, Heyu
Article History
Received: 20 August 2014
Accepted: 5 June 2015
First Online: 17 July 2015
Competing interests
: The authors declare no competing financial interests.