Pogge von Strandmann, Philip A. E.
Stüeken, Eva E.
Elliott, Tim
Poulton, Simon W.
Dehler, Carol M.
Canfield, Don E.
Catling, David C.
Article History
Received: 17 April 2015
Accepted: 8 November 2015
First Online: 18 December 2015
Competing interests
: The authors declare no competing financial interests.