Correction Cecilia M. Arraiano, Instituto de Tecnologia Quimica e Biologica, Universidade Nova de Lisboa, Apartado 127, 2781-901 Oeiras, Portugal 27 June 2014 After publication of this work we noticed that we inadvertently failed to indicate that we receive funding from FCT project PTDC/CVT/102293/2008. Competing interests None declared
Correction
27 June 2014
After publication of this work we noticed that we inadvertently failed to indicate that we receive funding from FCT project PTDC/CVT/102293/2008.Competing interests
None declared