| article html file updated | 2 September 2025 09:27 CEST | Update | https://www.mdpi.com/2379-139X/7/2/20 |
| article html file updated | 22 August 2025 01:01 CEST | Update | N/A |
| article html file updated | 26 July 2022 22:16 CEST | Update | N/A |
| article html file updated | 1 June 2021 10:16 CEST | Update | N/A |
| article pdf uploaded. | 1 June 2021 10:02 CEST | Updated version of record | https://www.mdpi.com/2379-139X/7/2/20/pdf |
| article xml uploaded. | 1 June 2021 10:02 CEST | Update | https://www.mdpi.com/2379-139X/7/2/20/xml |
| article xml file uploaded | 1 June 2021 10:02 CEST | Update | N/A |
| article html file updated | 1 June 2021 09:55 CEST | Update | N/A |
| article pdf uploaded. | 1 June 2021 09:54 CEST | Updated version of record | https://www.mdpi.com/2379-139X/7/2/20/pdf-vor |
| article xml file uploaded | 1 June 2021 09:54 CEST | Update | N/A |
| article html file updated | 31 May 2021 14:03 CEST | Original file | N/A |
| article pdf uploaded. | 31 May 2021 14:02 CEST | Version of Record | https://www.mdpi.com/2379-139X/7/2/20/pdf-vor |
| article xml file uploaded | 31 May 2021 14:02 CEST | Original file | N/A |
