| article html file updated | 7 September 2025 04:31 CEST | Update | https://www.mdpi.com/2218-1997/7/11/423 |
| article html file updated | 30 July 2022 15:13 CEST | Update | - |
| article html file updated | 25 November 2021 10:19 CET | Update | - |
| article pdf uploaded. | 25 November 2021 10:18 CET | Updated version of record | https://www.mdpi.com/2218-1997/7/11/423/pdf |
| article xml uploaded. | 25 November 2021 10:18 CET | Update | https://www.mdpi.com/2218-1997/7/11/423/xml |
| article xml file uploaded | 25 November 2021 10:18 CET | Update | - |
| article html file updated | 25 November 2021 08:34 CET | Update | - |
| article pdf uploaded. | 25 November 2021 08:32 CET | Updated version of record | https://www.mdpi.com/2218-1997/7/11/423/pdf-vor |
| article xml uploaded. | 25 November 2021 08:32 CET | Update | - |
| article xml file uploaded | 25 November 2021 08:32 CET | Update | - |
| article html file updated | 8 November 2021 10:05 CET | Update | - |
| article html file updated | 8 November 2021 09:00 CET | Original file | - |
| article pdf uploaded. | 8 November 2021 08:59 CET | Updated version of record | https://www.mdpi.com/2218-1997/7/11/423/pdf-vor |
| article xml uploaded. | 8 November 2021 08:59 CET | Update | - |
| article xml file uploaded | 8 November 2021 08:59 CET | Original file | - |
| article pdf uploaded. | 6 November 2021 08:09 CET | Version of Record | https://www.mdpi.com/2218-1997/7/11/423/pdf-vor |