The authors regret that the acknowledgements in the above paper were not complete. The entire acknowledgements are detailed below, with the new text emboldened:
EM is supported by a Project from the Spanish Fondo de Investigación Sanitaria (FIS) (PI12_02376). MCM is funded by FIS by a Sara Borrell Fellowship (CD13/00198). TP is supported by a FIS project (PI13/02783) of the Carlos III Health Institute (ISCIII), Madrid Spain, partially financed by the European Regional Development Fund (FEDER) “A way of making Europe”.
The authors apologise for the omission.
Contributor Information
T. Pelaez, Email: mtpelaez@gmail.com.
E. Mellado, Email: emellado@isciii.es.
