| article html file updated | 1 September 2025 17:01 CEST | Update | https://www.mdpi.com/2227-9717/9/1/34 |
| article html file updated | 23 July 2022 07:23 CEST | Update | - |
| article html file updated | 5 January 2021 07:01 CET | Update | - |
| article pdf uploaded. | 5 January 2021 07:00 CET | Updated version of record | https://www.mdpi.com/2227-9717/9/1/34/pdf |
| article xml uploaded. | 5 January 2021 07:00 CET | Update | https://www.mdpi.com/2227-9717/9/1/34/xml |
| article xml file uploaded | 5 January 2021 07:00 CET | Update | - |
| article html file updated | 27 December 2020 11:35 CET | Update | - |
| article pdf uploaded. | 27 December 2020 11:34 CET | Updated version of record | https://www.mdpi.com/2227-9717/9/1/34/pdf-vor |
| article xml uploaded. | 27 December 2020 11:34 CET | Update | - |
| article xml file uploaded | 27 December 2020 11:34 CET | Update | - |
| article html file updated | 25 December 2020 12:35 CET | Original file | - |
| article pdf uploaded. | 25 December 2020 12:34 CET | Version of Record | https://www.mdpi.com/2227-9717/9/1/34/pdf-vor |
| article xml uploaded. | 25 December 2020 12:34 CET | Update | - |
| article xml file uploaded | 25 December 2020 12:34 CET | Original file | - |
