| article html file updated | 1 September 2025 06:25 CEST | Update | https://www.mdpi.com/2218-1997/6/9/133 |
| article html file updated | 22 July 2022 04:29 CEST | Update | - |
| article html file updated | 12 October 2020 14:27 CEST | Update | - |
| article html file updated | 9 October 2020 19:44 CEST | Update | - |
| article html file updated | 24 August 2020 08:29 CEST | Original file | - |
| article pdf uploaded. | 24 August 2020 08:28 CEST | Updated version of record | https://www.mdpi.com/2218-1997/6/9/133/pdf |
| article xml uploaded. | 24 August 2020 08:28 CEST | Update | https://www.mdpi.com/2218-1997/6/9/133/xml |
| article xml file uploaded | 24 August 2020 08:28 CEST | Original file | - |
| article pdf uploaded. | 23 August 2020 08:15 CEST | Updated version of record | https://www.mdpi.com/2218-1997/6/9/133/pdf-vor |
| article pdf uploaded. | 23 August 2020 08:15 CEST | Version of Record | https://www.mdpi.com/2218-1997/6/9/133/pdf-vor |
