Catalá-López, Ferrán
Hutton, Brian
Núñez-Beltrán, Amparo
Mayhew, Alain D
Page, Matthew J
Ridao, Manuel
Tobías, Aurelio
Catalá, Miguel A
Tabarés-Seisdedos, Rafael
Moher, David
Article History
Received: 12 December 2014
Accepted: 21 January 2015
First Online: 27 February 2015