Li, Song
Koe, Chwee Tat
Tay, Su Ting
Tan, Angie Lay Keng
Zhang, Shenli
Zhang, Yingjie
Tan, Patrick
Sung, Wing-Kin
Wang, Hongyan
Article History
Received: 24 October 2016
Accepted: 8 June 2017
First Online: 25 July 2017
Change Date: 31 October 2017
Change Type: Erratum
Change Details: A correction to this article has been published and is linked from the HTML version of this article.
Competing interests
: The authors declare no competing financial interests.