| article html file updated | 27 December 2025 06:53 CET | Update | https://www.mdpi.com/2218-1997/8/4/234 |
| article html file updated | 10 September 2025 14:45 CEST | Update | N/A |
| article html file updated | 2 August 2022 18:15 CEST | Update | N/A |
| article html file updated | 12 April 2022 07:50 CEST | Original file | N/A |
| article pdf uploaded. | 12 April 2022 07:49 CEST | Updated version of record | https://www.mdpi.com/2218-1997/8/4/234/pdf |
| article xml uploaded. | 12 April 2022 07:49 CEST | Update | https://www.mdpi.com/2218-1997/8/4/234/xml |
| article xml file uploaded | 12 April 2022 07:49 CEST | Original file | N/A |
| article pdf uploaded. | 11 April 2022 13:03 CEST | Version of Record | https://www.mdpi.com/2218-1997/8/4/234/pdf-vor |
