Cunningham, Peter S.
Ahern, Siobhán A.
Smith, Laura C.
da Silva Santos, Carla S.
Wager, Travis T.
Bechtold, David A.
Article History
Received: 30 March 2016
Accepted: 24 June 2016
First Online: 21 July 2016
Competing interests
: T.T.W. is an employee of Pfizer Pharmaceuticals.