| article html file updated | 7 September 2025 21:06 CEST | Update | https://www.mdpi.com/2218-1997/8/2/121 |
| article html file updated | 31 July 2022 16:26 CEST | Update | - |
| article html file updated | 17 February 2022 05:13 CET | Original file | - |
| article pdf uploaded. | 17 February 2022 05:11 CET | Updated version of record | https://www.mdpi.com/2218-1997/8/2/121/pdf |
| article xml uploaded. | 17 February 2022 05:11 CET | Update | https://www.mdpi.com/2218-1997/8/2/121/xml |
| article xml file uploaded | 17 February 2022 05:11 CET | Original file | - |
| article pdf uploaded. | 13 February 2022 07:11 CET | Version of Record | https://www.mdpi.com/2218-1997/8/2/121/pdf-vor |
