| article html file updated | 1 September 2025 11:56 CEST | Update | https://www.mdpi.com/2227-9032/8/4/435 |
| article html file updated | 22 July 2022 22:34 CEST | Update | - |
| article html file updated | 6 November 2020 06:19 CET | Update | - |
| article pdf uploaded. | 6 November 2020 06:17 CET | Updated version of record | https://www.mdpi.com/2227-9032/8/4/435/pdf |
| article xml uploaded. | 6 November 2020 06:17 CET | Update | https://www.mdpi.com/2227-9032/8/4/435/xml |
| article xml file uploaded | 6 November 2020 06:17 CET | Update | - |
| article html file updated | 4 November 2020 02:54 CET | Original file | - |
| article pdf uploaded. | 4 November 2020 02:52 CET | Updated version of record | https://www.mdpi.com/2227-9032/8/4/435/pdf-vor |
| article xml uploaded. | 4 November 2020 02:52 CET | Update | - |
| article xml file uploaded | 4 November 2020 02:52 CET | Original file | - |
| article pdf uploaded. | 26 October 2020 14:44 CET | Version of Record | https://www.mdpi.com/2227-9032/8/4/435/pdf-vor |