| article html file updated | 1 September 2025 14:10 CEST | Update | https://www.mdpi.com/2224-2708/9/4/53 |
| article html file updated | 23 July 2022 02:10 CEST | Update | N/A |
| article html file updated | 24 November 2020 05:16 CET | Update | N/A |
| article pdf uploaded. | 24 November 2020 05:14 CET | Updated version of record | https://www.mdpi.com/2224-2708/9/4/53/pdf |
| article xml uploaded. | 24 November 2020 05:14 CET | Update | https://www.mdpi.com/2224-2708/9/4/53/xml |
| article xml file uploaded | 24 November 2020 05:14 CET | Update | N/A |
| article html file updated | 23 November 2020 12:10 CET | Original file | N/A |
| article pdf uploaded. | 23 November 2020 12:09 CET | Version of Record | https://www.mdpi.com/2224-2708/9/4/53/pdf-vor |
| article xml uploaded. | 23 November 2020 12:09 CET | Update | N/A |
| article xml file uploaded | 23 November 2020 12:09 CET | Original file | N/A |