Wei, Qing
Zhang, Yingyi
Schouteden, Clementine
Zhang, Yuxia
Zhang, Qing
Dong, Jinhong
Wonesch, Veronika
Ling, Kun
Dammermann, Alexander
Hu, Jinghua
Article History
Received: 8 September 2015
Accepted: 30 June 2016
First Online: 18 August 2016
Competing interests
: The authors declare no competing financial interests.