Iacolina, L
Scandura, M
Goedbloed, D J
Alexandri, P
Crooijmans, R P M A
Larson, G
Archibald, A
Apollonio, M
Schook, L B
Groenen, M A M
Megens, H-J
Article History
Received: 4 October 2014
Revised: 19 March 2015
Accepted: 5 May 2015
First Online: 5 August 2015
Competing interests
: The authors declare no conflict of interest.