Jia, Dongyu
Soylemez, Muhammed
Calvin, Gabriel
Bornmann, Randy
Bryant, Jamal
Hanna, Cameron
Huang, Yi-Chun
Deng, Wu-Min
Article History
Received: 23 February 2015
Accepted: 22 June 2015
First Online: 24 July 2015
Competing interests
: The authors declare no competing financial interests.