Merrifield, Claire A
Lewis, Marie C
Berger, Bernard
Cloarec, Olivier
Heinzmann, Silke S
Charton, Florence
Krause, Lutz
Levin, Nadine S
Duncker, Swantje
Mercenier, Annick
Holmes, Elaine
Bailey, Mick
Nicholson, Jeremy K
Article History
Received: 14 April 2015
Revised: 14 April 2015
Accepted: 24 April 2015
First Online: 12 June 2015
Competing interests
: The authors declare no conflict of interest.