Jackson, K L
Dayton, R D
Orchard, E A
Ju, S
Ringe, D
Petsko, G A
Maquat, L E
Klein, R L
Article History
Received: 8 August 2014
Revised: 4 September 2014
Accepted: 7 October 2014
First Online: 6 November 2014
Competing interests
: The authors declare no conflict of interest.