| article html file updated | 24 December 2025 17:28 CET | Update | https://www.mdpi.com/2227-7390/8/2/231 |
| article html file updated | 31 August 2025 11:17 CEST | Update | - |
| article html file updated | 21 August 2025 23:39 CEST | Update | - |
| article html file updated | 20 July 2022 19:48 CEST | Update | - |
| article html file updated | 6 March 2020 07:37 CET | Update | - |
| article html file updated | 29 February 2020 06:51 CET | Original file | - |
| article pdf uploaded. | 29 February 2020 06:50 CET | Updated version of record | https://www.mdpi.com/2227-7390/8/2/231/pdf |
| article xml uploaded. | 29 February 2020 06:50 CET | Update | https://www.mdpi.com/2227-7390/8/2/231/xml |
| article xml file uploaded | 29 February 2020 06:50 CET | Update | - |
| article pdf uploaded. | 10 February 2020 16:59 CET | Version of Record | https://www.mdpi.com/2227-7390/8/2/231/pdf-vor |
| article xml file uploaded | 10 February 2020 16:59 CET | Original file | - |
