| article html file updated | 17 August 2026 13:13 CEST | Update | https://www.mdpi.com/2223-7747/9/6/670 |
| article html file updated | 31 August 2025 21:39 CEST | Update | N/A |
| article html file updated | 21 July 2022 06:03 CEST | Update | N/A |
| article html file updated | 3 June 2020 08:45 CEST | Original file | N/A |
| article pdf uploaded. | 3 June 2020 08:44 CEST | Updated version of record | https://www.mdpi.com/2223-7747/9/6/670/pdf |
| article xml uploaded. | 3 June 2020 08:44 CEST | Update | https://www.mdpi.com/2223-7747/9/6/670/xml |
| article xml file uploaded | 3 June 2020 08:44 CEST | Update | N/A |
| article pdf uploaded. | 26 May 2020 13:57 CEST | Version of Record | https://www.mdpi.com/2223-7747/9/6/670/pdf-vor |
| article xml file uploaded | 26 May 2020 13:57 CEST | Original file | N/A |
