| article html file updated | 26 December 2025 14:14 CET | Update | https://www.mdpi.com/2218-1997/8/1/7 |
| article html file updated | 7 September 2025 10:14 CEST | Update | N/A |
| article html file updated | 31 July 2022 00:23 CEST | Update | N/A |
| article html file updated | 4 January 2022 10:17 CET | Update | N/A |
| article pdf uploaded. | 4 January 2022 10:15 CET | Updated version of record | https://www.mdpi.com/2218-1997/8/1/7/pdf |
| article xml uploaded. | 4 January 2022 10:15 CET | Update | https://www.mdpi.com/2218-1997/8/1/7/xml |
| article xml file uploaded | 4 January 2022 10:15 CET | Update | N/A |
| article html file updated | 27 December 2021 06:51 CET | Original file | N/A |
| article pdf uploaded. | 27 December 2021 06:50 CET | Updated version of record | https://www.mdpi.com/2218-1997/8/1/7/pdf-vor |
| article xml uploaded. | 27 December 2021 06:50 CET | Update | N/A |
| article xml file uploaded | 27 December 2021 06:50 CET | Original file | N/A |
| article pdf uploaded. | 24 December 2021 14:33 CET | Version of Record | https://www.mdpi.com/2218-1997/8/1/7/pdf-vor |
