| article html file updated | 7 February 2020 21:26 CET | Update | https://www.mdpi.com/1996-1073/10/1/99 |
| article html file updated | 22 September 2019 21:13 CEST | Update | N/A |
| article html file updated | 4 May 2019 15:22 CEST | Update | N/A |
| article html file updated | 7 February 2017 09:59 CET | Update | N/A |
| article html file updated | 13 January 2017 13:36 CET | Original file | N/A |
| article xml uploaded. | 13 January 2017 13:34 CET | Update | https://www.mdpi.com/1996-1073/10/1/99/xml |
| article xml uploaded. | 13 January 2017 13:34 CET | Original file | N/A |
| article pdf uploaded. | 13 January 2017 13:34 CET | Version of Record | https://www.mdpi.com/1996-1073/10/1/99/pdf |
