Edwards, Perry
Zhang, Chenji http://orcid.org/0000-0001-5431-6949
Zhang, Baigang
Hong, Xiangqian
Nagarajan, Vivek K.
Yu, Bing
Liu, Zhiwen
Article History
Received: 4 July 2017
Accepted: 7 September 2017
First Online: 22 September 2017
Competing Interests
: ZL and PE have a financial interest in Atoptix Inc, a company which could potentially benefit from the results of this research. This interest for ZL has been reviewed by the University in accordance with its Individual Conflict of Interest policy, for the purpose of maintaining the objectivity and the integrity of research at The Pennsylvania State University.