| article html file updated | 31 August 2025 00:50 CEST | Update | https://www.mdpi.com/2227-7390/7/9/809 |
| article html file updated | 20 July 2022 04:09 CEST | Update | N/A |
| article html file updated | 13 February 2020 14:30 CET | Update | N/A |
| article html file updated | 26 September 2019 08:39 CEST | Update | N/A |
| article html file updated | 2 September 2019 13:06 CEST | Original file | N/A |
| article pdf uploaded. | 2 September 2019 13:05 CEST | Version of Record | https://www.mdpi.com/2227-7390/7/9/809/pdf |
| article xml uploaded. | 2 September 2019 13:05 CEST | Update | https://www.mdpi.com/2227-7390/7/9/809/xml |
| article xml file uploaded | 2 September 2019 13:05 CEST | Original file | N/A |
