Pham, X
Song, G
Lao, S
Goff, L
Zhu, H
Valle, D
Avramopoulos, D
Article History
Received: 31 March 2016
Revised: 5 July 2016
Accepted: 17 August 2016
First Online: 1 November 2016
Competing interests
: DA and DV have a consulting agreement with ONO Pharma USA. The remaining authors declare no conflict of interest.