| article html file updated | 1 September 2025 13:03 CEST | Update | https://www.mdpi.com/2227-9032/8/4/472 |
| article html file updated | 23 July 2022 00:24 CEST | Update | - |
| article html file updated | 10 November 2020 11:10 CET | Original file | - |
| article pdf uploaded. | 10 November 2020 11:08 CET | Updated version of record | https://www.mdpi.com/2227-9032/8/4/472/pdf |
| article xml uploaded. | 10 November 2020 11:08 CET | Update | https://www.mdpi.com/2227-9032/8/4/472/xml |
| article xml file uploaded | 10 November 2020 11:08 CET | Original file | - |
| article pdf uploaded. | 9 November 2020 16:15 CET | Version of Record | https://www.mdpi.com/2227-9032/8/4/472/pdf-vor |
