| article html file updated | 1 September 2025 14:05 CEST | Update | https://www.mdpi.com/2218-1997/6/11/219 |
| article html file updated | 23 July 2022 02:02 CEST | Update | - |
| article html file updated | 24 November 2020 03:13 CET | Original file | - |
| article pdf uploaded. | 24 November 2020 03:11 CET | Updated version of record | https://www.mdpi.com/2218-1997/6/11/219/pdf |
| article xml uploaded. | 24 November 2020 03:11 CET | Update | https://www.mdpi.com/2218-1997/6/11/219/xml |
| article xml file uploaded | 24 November 2020 03:11 CET | Original file | - |
| article pdf uploaded. | 21 November 2020 12:28 CET | Version of Record | https://www.mdpi.com/2218-1997/6/11/219/pdf-vor |
