| article html file updated | 1 September 2025 13:53 CEST | Update | https://www.mdpi.com/2218-1997/6/11/213 |
| article html file updated | 23 July 2022 01:45 CEST | Update | - |
| article html file updated | 4 December 2020 15:38 CET | Update | - |
| article html file updated | 27 November 2020 06:59 CET | Update | - |
| article html file updated | 20 November 2020 03:04 CET | Original file | - |
| article pdf uploaded. | 20 November 2020 03:03 CET | Updated version of record | https://www.mdpi.com/2218-1997/6/11/213/pdf |
| article xml uploaded. | 20 November 2020 03:03 CET | Update | https://www.mdpi.com/2218-1997/6/11/213/xml |
| article xml file uploaded | 20 November 2020 03:03 CET | Original file | - |
| article pdf uploaded. | 19 November 2020 13:30 CET | Version of Record | https://www.mdpi.com/2218-1997/6/11/213/pdf-vor |
