| article html file updated | 6 February 2020 10:01 CET | Update | https://www.mdpi.com/1996-1944/7/6/4587 |
| article html file updated | 7 May 2019 12:59 CEST | Update | N/A |
| article html file updated | 21 March 2019 19:02 CET | Update | N/A |
| article html file updated | 20 August 2015 10:10 CEST | Update | N/A |
| article html file updated | 11 July 2014 11:00 CEST | Original file | N/A |
| article xml file uploaded | 11 July 2014 11:00 CEST | Original file | https://www.mdpi.com/1996-1944/7/6/4587/xml |
| article pdf uploaded. | 17 June 2014 15:45 CEST | Version of Record | https://www.mdpi.com/1996-1944/7/6/4587/pdf |
