| article html file updated | 6 February 2020 11:41 CET | Update | https://www.mdpi.com/1996-1073/7/8/5425 |
| article html file updated | 7 May 2019 09:18 CEST | Update | N/A |
| article html file updated | 21 March 2019 23:36 CET | Update | N/A |
| article html file updated | 20 August 2015 16:15 CEST | Update | N/A |
| article html file updated | 11 September 2014 12:14 CEST | Original file | N/A |
| article xml file uploaded | 11 September 2014 12:14 CEST | Original file | https://www.mdpi.com/1996-1073/7/8/5425/xml |
| article pdf uploaded. | 22 August 2014 09:02 CEST | Version of Record | https://www.mdpi.com/1996-1073/7/8/5425/pdf |
