Boonstra, Tjeerd W.
Danna-Dos-Santos, Alessander
Xie, Hong-Bo
Roerdink, Melvyn
Stins, John F.
Breakspear, Michael
Article History
Received: 24 June 2015
Accepted: 6 November 2015
First Online: 4 December 2015
Competing interests
: The authors declare no competing financial interests.