| article html file updated | 21 August 2026 03:18 CEST | Update | https://www.mdpi.com/2218-1997/7/12/494 |
| article html file updated | 26 December 2025 12:40 CET | Update | N/A |
| article html file updated | 7 September 2025 08:39 CEST | Update | N/A |
| article html file updated | 30 July 2022 22:19 CEST | Update | N/A |
| article html file updated | 16 December 2021 06:57 CET | Update | N/A |
| article pdf uploaded. | 16 December 2021 06:56 CET | Updated version of record | https://www.mdpi.com/2218-1997/7/12/494/pdf |
| article xml uploaded. | 16 December 2021 06:56 CET | Update | https://www.mdpi.com/2218-1997/7/12/494/xml |
| article xml file uploaded | 16 December 2021 06:56 CET | Update | N/A |
| article html file updated | 15 December 2021 06:57 CET | Original file | N/A |
| article pdf uploaded. | 15 December 2021 06:56 CET | Updated version of record | https://www.mdpi.com/2218-1997/7/12/494/pdf-vor |
| article xml uploaded. | 15 December 2021 06:56 CET | Update | N/A |
| article xml file uploaded | 15 December 2021 06:56 CET | Original file | N/A |
| article pdf uploaded. | 14 December 2021 16:17 CET | Version of Record | https://www.mdpi.com/2218-1997/7/12/494/pdf-vor |
