Dincer, A
Gavin, D P
Xu, K
Zhang, B
Dudley, J T
Schadt, E E
Akbarian, S
Article History
Received: 24 February 2015
Revised: 11 September 2015
Accepted: 19 September 2015
First Online: 17 November 2015
Competing interests
: The authors declare no conflict of interest.