| article html file updated | 17 August 2026 08:59 CEST | Update | https://www.mdpi.com/2227-7390/8/4/602 |
| article html file updated | 31 August 2025 17:30 CEST | Update | N/A |
| article html file updated | 21 July 2022 01:58 CEST | Update | N/A |
| article html file updated | 25 April 2020 16:17 CEST | Original file | N/A |
| article pdf uploaded. | 25 April 2020 16:15 CEST | Updated version of record | https://www.mdpi.com/2227-7390/8/4/602/pdf |
| article xml uploaded. | 25 April 2020 16:15 CEST | Update | https://www.mdpi.com/2227-7390/8/4/602/xml |
| article xml file uploaded | 25 April 2020 16:15 CEST | Update | N/A |
| article pdf uploaded. | 15 April 2020 14:55 CEST | Version of Record | https://www.mdpi.com/2227-7390/8/4/602/pdf-vor |
| article xml file uploaded | 15 April 2020 14:55 CEST | Original file | N/A |
