Walters, Sarah
Benitez-Majano, Sara
Muller, Patrick
Coleman, Michel P
Allemani, Claudia
Butler, John
Peake, Mick
Guren, Marianne Grønlie
Glimelius, Bengt
Bergström, Stefan
Påhlman, Lars
Rachet, Bernard
Article History
Received: 18 May 2015
Revised: 19 June 2015
Accepted: 24 June 2015
First Online: 4 August 2015
Competing interests
: The authors declare no conflict of interest.