| article html file updated | 24 December 2025 17:29 CET | Update | https://www.mdpi.com/2223-7747/9/2/235 |
| article html file updated | 31 August 2025 11:26 CEST | Update | N/A |
| article html file updated | 20 July 2022 19:57 CEST | Update | N/A |
| article html file updated | 6 March 2020 09:18 CET | Update | N/A |
| article html file updated | 29 February 2020 14:19 CET | Original file | N/A |
| article pdf uploaded. | 29 February 2020 14:18 CET | Updated version of record | https://www.mdpi.com/2223-7747/9/2/235/pdf |
| article xml uploaded. | 29 February 2020 14:18 CET | Update | https://www.mdpi.com/2223-7747/9/2/235/xml |
| article xml file uploaded | 29 February 2020 14:18 CET | Update | N/A |
| article pdf uploaded. | 29 February 2020 13:08 CET | Updated version of record | https://www.mdpi.com/2223-7747/9/2/235/pdf-vor |
| article xml uploaded. | 29 February 2020 13:08 CET | Update | N/A |
| article xml file uploaded | 29 February 2020 13:08 CET | Update | N/A |
| article pdf uploaded. | 12 February 2020 12:07 CET | Version of Record | https://www.mdpi.com/2223-7747/9/2/235/pdf-vor |
| article xml file uploaded | 12 February 2020 12:07 CET | Original file | N/A |
