| article html file updated | 25 December 2025 03:19 CET | Update | https://www.mdpi.com/2227-9067/8/2/97 |
| article html file updated | 1 September 2025 20:30 CEST | Update | N/A |
| article html file updated | 24 July 2022 11:48 CEST | Update | N/A |
| article html file updated | 3 February 2021 06:51 CET | Update | N/A |
| article pdf uploaded. | 3 February 2021 06:50 CET | Updated version of record | https://www.mdpi.com/2227-9067/8/2/97/pdf |
| article xml uploaded. | 3 February 2021 06:50 CET | Update | https://www.mdpi.com/2227-9067/8/2/97/xml |
| article xml file uploaded | 3 February 2021 06:50 CET | Update | N/A |
| article html file updated | 2 February 2021 23:43 CET | Original file | N/A |
| article pdf uploaded. | 2 February 2021 14:45 CET | Version of Record | https://www.mdpi.com/2227-9067/8/2/97/pdf-vor |
| article xml uploaded. | 2 February 2021 14:45 CET | Update | N/A |
| article xml file uploaded | 2 February 2021 14:45 CET | Original file | N/A |
