| article html file updated | 6 February 2020 18:30 CET | Update | https://www.mdpi.com/2079-9292/4/2/283 |
| article html file updated | 6 May 2019 20:18 CEST | Update | N/A |
| article html file updated | 26 March 2019 02:20 CET | Update | N/A |
| article html file updated | 21 August 2015 11:55 CEST | Update | N/A |
| article html file updated | 17 July 2015 12:13 CEST | Original file | N/A |
| article xml file uploaded | 17 July 2015 12:13 CEST | Original file | https://www.mdpi.com/2079-9292/4/2/283/xml |
| article pdf uploaded. | 11 May 2015 13:27 CEST | Version of Record | https://www.mdpi.com/2079-9292/4/2/283/pdf |
