Harrison, S. P.
Bartlein, P. J.
Izumi, K.
Li, G.
Annan, J.
Hargreaves, J.
Braconnot, P.
Kageyama, M.
Article History
Received: 24 December 2014
Accepted: 10 April 2015
First Online: 24 July 2015
Competing interests
: The authors declare no competing financial interests.