Armstrong, D L
Zidovetzki, R
Alarcón-Riquelme, M E
Tsao, B P
Criswell, L A
Kimberly, R P
Harley, J B
Sivils, K L
Vyse, T J
Gaffney, P M
Langefeld, C D
Jacob, C O
Article History
Received: 9 January 2014
Revised: 26 March 2014
Accepted: 4 April 2014
First Online: 29 May 2014
Competing interests
: The authors declare no conflict of interest.