Qu, X
Sandmann, T
Frierson, H Jr
Fu, L
Fuentes, E
Walter, K
Okrah, K
Rumpel, C
Moskaluk, C
Lu, S
Wang, Y
Bourgon, R
Penuel, E
Pirzkall, A
Amler, L
Lackner, M R
Tabernero, J
Hampton, G M
Kabbarah, O
Article History
Received: 20 October 2015
Revised: 26 February 2016
Accepted: 12 April 2016
First Online: 6 June 2016
Competing interests
: XQ, TS, LF, KW, KO, SL, YW, RB, EP, AP, LA, MRL, GMH and OK are current or former employees and stock holders of Genentech/Roche. The authors declare no conflict of interest.