| article html file updated | 1 September 2025 13:24 CEST | Update | https://www.mdpi.com/2312-7481/6/4/61 |
| article html file updated | 23 July 2022 00:57 CEST | Update | - |
| article html file updated | 4 December 2020 14:25 CET | Update | - |
| article html file updated | 14 November 2020 06:29 CET | Original file | - |
| article pdf uploaded. | 14 November 2020 06:27 CET | Updated version of record | https://www.mdpi.com/2312-7481/6/4/61/pdf |
| article xml uploaded. | 14 November 2020 06:27 CET | Update | https://www.mdpi.com/2312-7481/6/4/61/xml |
| article xml file uploaded | 14 November 2020 06:27 CET | Original file | - |
| article pdf uploaded. | 13 November 2020 12:13 CET | Version of Record | https://www.mdpi.com/2312-7481/6/4/61/pdf-vor |
