| article html file updated | 1 September 2025 14:16 CEST | Update | https://www.mdpi.com/2227-7080/8/4/70 |
| article html file updated | 23 July 2022 02:19 CEST | Update | - |
| article html file updated | 23 December 2020 11:09 CET | Update | - |
| article pdf uploaded. | 23 December 2020 11:08 CET | Updated version of record | https://www.mdpi.com/2227-7080/8/4/70/pdf |
| article xml uploaded. | 23 December 2020 11:08 CET | Update | https://www.mdpi.com/2227-7080/8/4/70/xml |
| article xml file uploaded | 23 December 2020 11:08 CET | Update | - |
| article html file updated | 24 November 2020 11:35 CET | Original file | - |
| article pdf uploaded. | 24 November 2020 11:33 CET | Version of Record | https://www.mdpi.com/2227-7080/8/4/70/pdf-vor |
| article xml uploaded. | 24 November 2020 11:33 CET | Update | - |
| article xml file uploaded | 24 November 2020 11:33 CET | Original file | - |
