| article html file updated | 17 August 2026 03:15 CEST | Update | https://www.mdpi.com/2223-7747/9/2/264 |
| article html file updated | 31 August 2025 11:59 CEST | Update | N/A |
| article html file updated | 20 July 2022 20:29 CEST | Update | N/A |
| article html file updated | 6 March 2020 09:38 CET | Update | N/A |
| article html file updated | 18 February 2020 12:51 CET | Original file | N/A |
| article pdf uploaded. | 18 February 2020 12:49 CET | Version of Record | https://www.mdpi.com/2223-7747/9/2/264/pdf |
| article xml uploaded. | 18 February 2020 12:49 CET | Update | https://www.mdpi.com/2223-7747/9/2/264/xml |
| article xml file uploaded | 18 February 2020 12:49 CET | Original file | N/A |
