Yu, P
Petrus, M N
Ju, W
Zhang, M
Conlon, K C
Nakagawa, M
Maeda, M
Bamford, R N
Waldmann, T A
Article History
Received: 9 May 2014
Revised: 16 July 2014
Accepted: 21 July 2014
First Online: 14 August 2014
Competing interests
: The authors declare no conflict of interest.