Wu, C
Mikhail, S
Wei, L
Timmers, C
Tahiri, S
Neal, A
Walker, J
El-Dika, S
Blazer, M
Rock, J
Clark, D J
Yang, X
Chen, J L
Liu, J
Knopp, M V
Bekaii-Saab, T
Article History
Received: 17 February 2015
Revised: 18 April 2015
Accepted: 7 May 2015
First Online: 7 July 2015
Competing interests
: TB-S is a paid consultant of Lilly, Pfizer, and Genentech. The remaining the authors declare no conflict of interest.