| article html file updated | 25 December 2025 20:43 CET | Update | https://www.mdpi.com/2218-1997/7/8/304 |
| article html file updated | 6 September 2025 23:01 CEST | Update | N/A |
| article html file updated | 28 July 2022 06:19 CEST | Update | N/A |
| article html file updated | 17 August 2021 09:44 CEST | Original file | N/A |
| article pdf uploaded. | 17 August 2021 09:43 CEST | Updated version of record | https://www.mdpi.com/2218-1997/7/8/304/pdf |
| article xml uploaded. | 17 August 2021 09:43 CEST | Update | https://www.mdpi.com/2218-1997/7/8/304/xml |
| article xml file uploaded | 17 August 2021 09:43 CEST | Original file | N/A |
| article pdf uploaded. | 16 August 2021 17:34 CEST | Version of Record | https://www.mdpi.com/2218-1997/7/8/304/pdf-vor |
