| article html file updated | 19 August 2015 10:51 CEST | Update | https://www.mdpi.com/2075-4701/3/4/343 |
| article html file updated | 24 September 2014 10:06 CEST | Original file | N/A |
| article xml file uploaded | 24 September 2014 10:06 CEST | Original file | https://www.mdpi.com/2075-4701/3/4/343/xml |
| article pdf uploaded. | 25 November 2013 16:40 CET | Version of Record | https://www.mdpi.com/2075-4701/3/4/343/pdf |
