| article html file updated | 9 February 2020 06:13 CET | Update | https://www.mdpi.com/2079-4991/8/2/99 |
| article html file updated | 30 September 2019 16:50 CEST | Update | - |
| article html file updated | 1 May 2019 19:23 CEST | Update | - |
| article html file updated | 17 April 2019 18:34 CEST | Update | - |
| article html file updated | 28 March 2019 22:26 CET | Update | - |
| article html file updated | 15 March 2018 08:15 CET | Update | - |
| article html file updated | 14 March 2018 16:46 CET | Update | - |
| article html file updated | 10 February 2018 11:25 CET | Original file | - |
| article xml uploaded. | 10 February 2018 11:24 CET | Update | https://www.mdpi.com/2079-4991/8/2/99/xml |
| article xml uploaded. | 10 February 2018 11:24 CET | Original file | - |
| article pdf uploaded. | 10 February 2018 11:24 CET | Version of Record | https://www.mdpi.com/2079-4991/8/2/99/pdf |
