| article html file updated | 30 August 2025 10:38 CEST | Update | https://www.mdpi.com/2079-4991/9/1/69 |
| article html file updated | 17 July 2022 21:17 CEST | Update | - |
| article html file updated | 11 February 2020 06:54 CET | Update | - |
| article html file updated | 12 October 2019 22:05 CEST | Update | - |
| article html file updated | 27 April 2019 11:00 CEST | Update | - |
| article html file updated | 13 April 2019 06:58 CEST | Update | - |
| article html file updated | 2 April 2019 22:35 CEST | Update | - |
| article html file updated | 29 January 2019 05:40 CET | Update | - |
| article html file updated | 5 January 2019 11:35 CET | Original file | - |
| article pdf uploaded. | 5 January 2019 11:32 CET | Version of Record | https://www.mdpi.com/2079-4991/9/1/69/pdf |
| article xml uploaded. | 5 January 2019 11:32 CET | Update | https://www.mdpi.com/2079-4991/9/1/69/xml |
| article xml file uploaded | 5 January 2019 11:32 CET | Original file | - |