| article html file updated | 31 August 2025 12:01 CEST | Update | https://www.mdpi.com/2227-7390/8/2/271 |
| article html file updated | 20 July 2022 20:31 CEST | Update | N/A |
| article html file updated | 6 March 2020 07:26 CET | Update | N/A |
| article html file updated | 20 February 2020 04:35 CET | Original file | N/A |
| article pdf uploaded. | 20 February 2020 04:33 CET | Updated version of record | https://www.mdpi.com/2227-7390/8/2/271/pdf |
| article xml uploaded. | 20 February 2020 04:33 CET | Update | https://www.mdpi.com/2227-7390/8/2/271/xml |
| article xml file uploaded | 20 February 2020 04:33 CET | Update | N/A |
| article pdf uploaded. | 18 February 2020 14:31 CET | Version of Record | https://www.mdpi.com/2227-7390/8/2/271/pdf-vor |
| article xml file uploaded | 18 February 2020 14:31 CET | Original file | N/A |
