Schneider, Bryan P
O'Neill, Anne
Shen, Fei
Sledge, George W
Thor, Ann D
Kahanic, Stephen P
Zander, Paul J
Davidson, Nancy E
Article History
Received: 2 July 2015
Revised: 9 October 2015
Accepted: 25 October 2015
First Online: 1 December 2015
Competing interests
: The authors declare no conflict of interest.