| article html file updated | 31 August 2025 09:20 CEST | Update | https://www.mdpi.com/2223-7747/9/1/124 |
| article html file updated | 20 July 2022 17:52 CEST | Update | - |
| article html file updated | 15 February 2020 04:07 CET | Update | - |
| article html file updated | 5 February 2020 13:29 CET | Update | - |
| article html file updated | 23 January 2020 10:25 CET | Original file | - |
| article pdf uploaded. | 23 January 2020 10:24 CET | Updated version of record | https://www.mdpi.com/2223-7747/9/1/124/pdf |
| article xml uploaded. | 23 January 2020 10:24 CET | Update | https://www.mdpi.com/2223-7747/9/1/124/xml |
| article xml file uploaded | 23 January 2020 10:24 CET | Update | - |
| article pdf uploaded. | 18 January 2020 10:14 CET | Version of Record | https://www.mdpi.com/2223-7747/9/1/124/pdf-vor |
| article xml file uploaded | 18 January 2020 10:14 CET | Original file | - |
