| article html file updated | 31 August 2025 09:46 CEST | Update | https://www.mdpi.com/2223-7747/9/2/144 |
| article html file updated | 20 July 2022 18:17 CEST | Update | N/A |
| article html file updated | 6 March 2020 08:24 CET | Update | N/A |
| article html file updated | 19 February 2020 06:15 CET | Original file | N/A |
| article pdf uploaded. | 19 February 2020 06:13 CET | Updated version of record | https://www.mdpi.com/2223-7747/9/2/144/pdf |
| article xml uploaded. | 19 February 2020 06:13 CET | Update | https://www.mdpi.com/2223-7747/9/2/144/xml |
| article xml file uploaded | 19 February 2020 06:13 CET | Update | N/A |
| article pdf uploaded. | 23 January 2020 09:47 CET | Version of Record | https://www.mdpi.com/2223-7747/9/2/144/pdf-vor |
| article xml file uploaded | 23 January 2020 09:47 CET | Original file | N/A |
