| article html file updated | 1 September 2025 12:08 CEST | Update | https://www.mdpi.com/2227-7072/8/4/67 |
| article html file updated | 22 July 2022 22:52 CEST | Update | N/A |
| article html file updated | 29 October 2020 06:35 CET | Original file | N/A |
| article pdf uploaded. | 29 October 2020 06:34 CET | Updated version of record | https://www.mdpi.com/2227-7072/8/4/67/pdf |
| article xml uploaded. | 29 October 2020 06:34 CET | Update | https://www.mdpi.com/2227-7072/8/4/67/xml |
| article xml file uploaded | 29 October 2020 06:34 CET | Original file | N/A |
| article pdf uploaded. | 28 October 2020 14:32 CET | Version of Record | https://www.mdpi.com/2227-7072/8/4/67/pdf-vor |
