| article html file updated | 19 August 2015 23:35 CEST | Update | https://www.mdpi.com/1996-1073/7/3/1500 |
| article html file updated | 3 June 2014 12:10 CEST | Original file | N/A |
| article xml file uploaded | 3 June 2014 12:10 CEST | Original file | https://www.mdpi.com/1996-1073/7/3/1500/xml |
| article pdf uploaded. | 12 March 2014 11:52 CET | Version of Record | https://www.mdpi.com/1996-1073/7/3/1500/pdf |
