Reader Comments

Post a new comment on this article

Acknowledgments

Posted by lucaturin on 28 Feb 2013 at 09:19 GMT

The funding source in the acknowledgments was incompletely specified. Below is the full description:

Funded by the Greek Ministry of Education and Research, General Secretariat for Research and Technology under the framework ESPA 2013-2017, program ARISTEIA 2303 to EMCS.

No competing interests declared.