| article html file updated | 31 August 2025 16:10 CEST | Update | https://www.mdpi.com/2227-7390/8/4/491 |
| article html file updated | 21 July 2022 00:39 CEST | Update | N/A |
| article html file updated | 15 April 2020 18:46 CEST | Original file | N/A |
| article pdf uploaded. | 15 April 2020 18:45 CEST | Updated version of record | https://www.mdpi.com/2227-7390/8/4/491/pdf |
| article xml uploaded. | 15 April 2020 18:45 CEST | Update | https://www.mdpi.com/2227-7390/8/4/491/xml |
| article xml file uploaded | 15 April 2020 18:45 CEST | Update | N/A |
| article pdf uploaded. | 1 April 2020 15:55 CEST | Updated version of record | https://www.mdpi.com/2227-7390/8/4/491/pdf-vor |
| article xml file uploaded | 1 April 2020 15:55 CEST | Update | N/A |
| article pdf uploaded. | 1 April 2020 15:55 CEST | Version of Record | https://www.mdpi.com/2227-7390/8/4/491/pdf-vor |
| article xml file uploaded | 1 April 2020 15:55 CEST | Original file | N/A |
