| article html file updated | 1 September 2025 15:14 CEST | Update | https://www.mdpi.com/2312-7481/6/4/69 |
| article html file updated | 23 July 2022 03:51 CEST | Update | - |
| article html file updated | 4 December 2020 22:22 CET | Original file | - |
| article pdf uploaded. | 4 December 2020 12:53 CET | Version of Record | https://www.mdpi.com/2312-7481/6/4/69/pdf |
| article xml uploaded. | 4 December 2020 12:53 CET | Update | https://www.mdpi.com/2312-7481/6/4/69/xml |
| article xml file uploaded | 4 December 2020 12:53 CET | Original file | - |
