| article html file updated | 18 August 2026 07:18 CEST | Update | https://www.mdpi.com/2227-9032/8/4/442 |
| article html file updated | 24 December 2025 22:47 CET | Update | N/A |
| article html file updated | 1 September 2025 12:15 CEST | Update | N/A |
| article html file updated | 22 July 2022 23:03 CEST | Update | N/A |
| article html file updated | 30 October 2020 07:33 CET | Update | N/A |
| article pdf uploaded. | 30 October 2020 07:32 CET | Updated version of record | https://www.mdpi.com/2227-9032/8/4/442/pdf |
| article xml uploaded. | 30 October 2020 07:32 CET | Update | https://www.mdpi.com/2227-9032/8/4/442/xml |
| article xml file uploaded | 30 October 2020 07:32 CET | Update | N/A |
| article html file updated | 30 October 2020 03:26 CET | Update | N/A |
| article pdf uploaded. | 30 October 2020 03:25 CET | Updated version of record | https://www.mdpi.com/2227-9032/8/4/442/pdf-vor |
| article xml uploaded. | 30 October 2020 03:25 CET | Update | N/A |
| article xml file uploaded | 30 October 2020 03:25 CET | Update | N/A |
| article html file updated | 29 October 2020 13:39 CET | Original file | N/A |
| article pdf uploaded. | 29 October 2020 13:38 CET | Version of Record | https://www.mdpi.com/2227-9032/8/4/442/pdf-vor |
| article xml uploaded. | 29 October 2020 13:38 CET | Update | N/A |
| article xml file uploaded | 29 October 2020 13:38 CET | Original file | N/A |
