| article html file updated | 31 August 2025 10:54 CEST | Update | https://www.mdpi.com/2227-7390/8/2/203 |
| article html file updated | 20 July 2022 19:26 CEST | Update | N/A |
| article html file updated | 6 March 2020 07:41 CET | Update | N/A |
| article html file updated | 29 February 2020 05:25 CET | Original file | N/A |
| article pdf uploaded. | 29 February 2020 05:23 CET | Updated version of record | https://www.mdpi.com/2227-7390/8/2/203/pdf |
| article xml uploaded. | 29 February 2020 05:23 CET | Update | https://www.mdpi.com/2227-7390/8/2/203/xml |
| article xml file uploaded | 29 February 2020 05:23 CET | Update | N/A |
| article pdf uploaded. | 6 February 2020 13:00 CET | Version of Record | https://www.mdpi.com/2227-7390/8/2/203/pdf-vor |
| article xml file uploaded | 6 February 2020 13:00 CET | Original file | N/A |
