| article html file updated | 19 August 2015 20:10 CEST | Update | https://www.mdpi.com/1996-1073/7/2/736 |
| article html file updated | 3 June 2014 11:59 CEST | Original file | - |
| article xml file uploaded | 3 June 2014 11:59 CEST | Original file | https://www.mdpi.com/1996-1073/7/2/736/xml |
| article pdf uploaded. | 13 February 2014 09:47 CET | Version of Record | https://www.mdpi.com/1996-1073/7/2/736/pdf |
