| article html file updated | 1 September 2025 16:06 CEST | Update | https://www.mdpi.com/2218-1997/6/12/242 |
| article html file updated | 23 July 2022 05:17 CEST | Update | - |
| article html file updated | 17 December 2020 10:38 CET | Update | - |
| article pdf uploaded. | 17 December 2020 10:15 CET | Updated version of record | https://www.mdpi.com/2218-1997/6/12/242/pdf |
| article xml uploaded. | 17 December 2020 10:15 CET | Update | https://www.mdpi.com/2218-1997/6/12/242/xml |
| article xml file uploaded | 17 December 2020 10:15 CET | Update | - |
| article html file updated | 17 December 2020 09:48 CET | Original file | - |
| article pdf uploaded. | 17 December 2020 09:46 CET | Updated version of record | https://www.mdpi.com/2218-1997/6/12/242/pdf-vor |
| article xml uploaded. | 17 December 2020 09:46 CET | Update | - |
| article xml file uploaded | 17 December 2020 09:46 CET | Original file | - |
| article pdf uploaded. | 15 December 2020 15:35 CET | Version of Record | https://www.mdpi.com/2218-1997/6/12/242/pdf-vor |
