| article html file updated | 1 September 2025 12:11 CEST | Update | https://www.mdpi.com/2227-9032/8/4/440 |
| article html file updated | 22 July 2022 22:57 CEST | Update | - |
| article html file updated | 5 November 2020 10:26 CET | Update | - |
| article pdf uploaded. | 5 November 2020 10:25 CET | Updated version of record | https://www.mdpi.com/2227-9032/8/4/440/pdf |
| article xml uploaded. | 5 November 2020 10:25 CET | Update | https://www.mdpi.com/2227-9032/8/4/440/xml |
| article xml file uploaded | 5 November 2020 10:25 CET | Update | - |
| article html file updated | 29 October 2020 09:18 CET | Original file | - |
| article pdf uploaded. | 29 October 2020 09:16 CET | Version of Record | https://www.mdpi.com/2227-9032/8/4/440/pdf-vor |
| article xml uploaded. | 29 October 2020 09:16 CET | Update | - |
| article xml file uploaded | 29 October 2020 09:16 CET | Original file | - |
