| article html file updated | 24 December 2025 17:25 CET | Update | https://www.mdpi.com/2223-7747/9/2/207 |
| article html file updated | 31 August 2025 10:57 CEST | Update | N/A |
| article html file updated | 20 July 2022 19:28 CEST | Update | N/A |
| article html file updated | 6 March 2020 08:58 CET | Update | N/A |
| article html file updated | 29 February 2020 13:48 CET | Original file | N/A |
| article pdf uploaded. | 29 February 2020 13:47 CET | Updated version of record | https://www.mdpi.com/2223-7747/9/2/207/pdf |
| article xml uploaded. | 29 February 2020 13:47 CET | Update | https://www.mdpi.com/2223-7747/9/2/207/xml |
| article xml file uploaded | 29 February 2020 13:47 CET | Update | N/A |
| article pdf uploaded. | 6 February 2020 15:18 CET | Version of Record | https://www.mdpi.com/2223-7747/9/2/207/pdf-vor |
| article xml file uploaded | 6 February 2020 15:18 CET | Original file | N/A |
