| article html file updated | 31 August 2025 11:09 CEST | Update | https://www.mdpi.com/2227-7390/8/2/220 |
| article html file updated | 20 July 2022 19:41 CEST | Update | N/A |
| article html file updated | 6 March 2020 07:38 CET | Update | N/A |
| article html file updated | 28 February 2020 12:04 CET | Original file | N/A |
| article pdf uploaded. | 28 February 2020 12:03 CET | Updated version of record | https://www.mdpi.com/2227-7390/8/2/220/pdf |
| article xml uploaded. | 28 February 2020 12:03 CET | Update | https://www.mdpi.com/2227-7390/8/2/220/xml |
| article xml file uploaded | 28 February 2020 12:03 CET | Update | N/A |
| article pdf uploaded. | 9 February 2020 07:41 CET | Version of Record | https://www.mdpi.com/2227-7390/8/2/220/pdf-vor |
| article xml file uploaded | 9 February 2020 07:41 CET | Original file | N/A |
