| article html file updated | 6 February 2020 11:39 CET | Update | https://www.mdpi.com/1996-1073/7/8/5400 |
| article html file updated | 7 May 2019 09:21 CEST | Update | N/A |
| article html file updated | 21 March 2019 23:31 CET | Update | N/A |
| article html file updated | 20 August 2015 16:07 CEST | Update | N/A |
| article html file updated | 11 September 2014 11:39 CEST | Original file | N/A |
| article xml file uploaded | 11 September 2014 11:39 CEST | Original file | https://www.mdpi.com/1996-1073/7/8/5400/xml |
| article pdf uploaded. | 21 August 2014 10:59 CEST | Version of Record | https://www.mdpi.com/1996-1073/7/8/5400/pdf |
