Bronson, Paola G
Chang, Diana
Bhangale, Tushar
Seldin, Michael F
Ortmann, Ward
Ferreira, Ricardo C
Urcelay, Elena
Pereira, Luis Fernández
Martin, Javier
Plebani, Alessandro
Lougaris, Vassilios
Friman, Vanda
Freiberger, Tomáš
Litzman, Jiri
Thon, Vojtech
Pan-Hammarström, Qiang http://orcid.org/0000-0003-1990-8804
Hammarström, Lennart
Graham, Robert R
Behrens, Timothy W
Article History
Received: 4 August 2015
Accepted: 24 August 2016
First Online: 10 October 2016
Competing interests
: The authors declare no competing financial interests.