| article html file updated | 7 September 2025 14:36 CEST | Update | https://www.mdpi.com/2218-1997/8/2/61 |
| article html file updated | 31 July 2022 04:46 CEST | Update | - |
| article html file updated | 24 January 2022 14:25 CET | Update | - |
| article pdf uploaded. | 24 January 2022 14:23 CET | Updated version of record | https://www.mdpi.com/2218-1997/8/2/61/pdf |
| article xml uploaded. | 24 January 2022 14:23 CET | Update | https://www.mdpi.com/2218-1997/8/2/61/xml |
| article xml file uploaded | 24 January 2022 14:23 CET | Update | - |
| article html file updated | 19 January 2022 15:01 CET | Original file | - |
| article pdf uploaded. | 19 January 2022 15:00 CET | Version of Record | https://www.mdpi.com/2218-1997/8/2/61/pdf-vor |
| article xml uploaded. | 19 January 2022 15:00 CET | Update | - |
| article xml file uploaded | 19 January 2022 15:00 CET | Original file | - |
