Benhaim, L
Zhang, W
Wakatsuki, T
Yang, D
Gerger, A
Bohanes, P
Paez, D
Loupakis, F
LaBonte, M J
Ning, Y
El-Khoueiry, R
Ladner, R
Wilson, P
Zhang, H
Giamas, G
Stebbing, J
Lenz, H J
Article History
Received: 3 March 2014
Revised: 29 July 2014
Accepted: 13 August 2014
First Online: 7 October 2014
Competing interests
: The authors declare no conflict of interest.