Portero-Sainz, I
Gómez-García de Soria, V
Cuesta-Mateos, C
Fernández-Arandojo, C
Vega-Piris, L
Royg, M
Colom-Fernández, B
Marcos-Jiménez, A
Somovilla-Crespo, B
Ramírez-Mengíbar, A
López-Huete, V
de Rosendo-Serrano, A
Kreutzman, A
Muñoz-Calleja, C
Article History
Received: 19 July 2016
Revised: 21 October 2016
Accepted: 8 November 2016
First Online: 23 January 2017
Competing interests
: C Cuesta-Mateos is in an employment relationship with the company IMMED. The remaining authors declare no conflict of interest.