| article html file updated | 31 August 2025 09:58 CEST | Update | https://www.mdpi.com/2223-7747/9/2/154 |
| article html file updated | 20 July 2022 18:29 CEST | Update | - |
| article html file updated | 6 March 2020 08:28 CET | Update | - |
| article html file updated | 29 February 2020 06:24 CET | Original file | - |
| article pdf uploaded. | 29 February 2020 06:23 CET | Updated version of record | https://www.mdpi.com/2223-7747/9/2/154/pdf |
| article xml uploaded. | 29 February 2020 06:23 CET | Update | https://www.mdpi.com/2223-7747/9/2/154/xml |
| article xml file uploaded | 29 February 2020 06:23 CET | Update | - |
| article pdf uploaded. | 26 January 2020 04:05 CET | Version of Record | https://www.mdpi.com/2223-7747/9/2/154/pdf-vor |
| article xml file uploaded | 26 January 2020 04:05 CET | Original file | - |
