| article html file updated | 25 December 2025 05:45 CET | Update | https://www.mdpi.com/2313-4321/6/1/20 |
| article html file updated | 2 September 2025 00:18 CEST | Update | N/A |
| article html file updated | 25 July 2022 07:13 CEST | Update | N/A |
| article html file updated | 19 March 2021 03:24 CET | Original file | N/A |
| article pdf uploaded. | 19 March 2021 03:23 CET | Updated version of record | https://www.mdpi.com/2313-4321/6/1/20/pdf |
| article xml uploaded. | 19 March 2021 03:23 CET | Update | https://www.mdpi.com/2313-4321/6/1/20/xml |
| article xml file uploaded | 19 March 2021 03:23 CET | Original file | N/A |
| article pdf uploaded. | 11 March 2021 14:19 CET | Version of Record | https://www.mdpi.com/2313-4321/6/1/20/pdf-vor |
