| article html file updated | 31 August 2025 11:26 CEST | Update | https://www.mdpi.com/2223-7747/9/2/237 |
| article html file updated | 20 July 2022 19:58 CEST | Update | N/A |
| article html file updated | 6 March 2020 09:20 CET | Update | N/A |
| article html file updated | 27 February 2020 12:57 CET | Original file | N/A |
| article pdf uploaded. | 27 February 2020 12:55 CET | Updated version of record | https://www.mdpi.com/2223-7747/9/2/237/pdf |
| article xml uploaded. | 27 February 2020 12:55 CET | Update | https://www.mdpi.com/2223-7747/9/2/237/xml |
| article xml file uploaded | 27 February 2020 12:55 CET | Update | N/A |
| article pdf uploaded. | 12 February 2020 12:19 CET | Version of Record | https://www.mdpi.com/2223-7747/9/2/237/pdf-vor |
| article xml file uploaded | 12 February 2020 12:19 CET | Original file | N/A |
