| article html file updated | 1 September 2025 18:25 CEST | Update | https://www.mdpi.com/2227-9067/8/1/39 |
| article html file updated | 23 July 2022 14:33 CEST | Update | N/A |
| article html file updated | 13 January 2021 02:30 CET | Update | N/A |
| article pdf uploaded. | 13 January 2021 02:28 CET | Updated version of record | https://www.mdpi.com/2227-9067/8/1/39/pdf |
| article xml uploaded. | 13 January 2021 02:28 CET | Update | https://www.mdpi.com/2227-9067/8/1/39/xml |
| article xml file uploaded | 13 January 2021 02:28 CET | Update | N/A |
| article html file updated | 12 January 2021 13:28 CET | Original file | N/A |
| article pdf uploaded. | 12 January 2021 13:27 CET | Version of Record | https://www.mdpi.com/2227-9067/8/1/39/pdf-vor |
| article xml uploaded. | 12 January 2021 13:27 CET | Update | N/A |
| article xml file uploaded | 12 January 2021 13:27 CET | Original file | N/A |
