| article html file updated | 31 August 2025 22:33 CEST | Update | https://www.mdpi.com/2227-7390/8/6/908 |
| article html file updated | 21 July 2022 06:57 CEST | Update | - |
| article html file updated | 22 June 2020 09:35 CEST | Original file | - |
| article pdf uploaded. | 22 June 2020 09:34 CEST | Updated version of record | https://www.mdpi.com/2227-7390/8/6/908/pdf |
| article xml uploaded. | 22 June 2020 09:34 CEST | Update | https://www.mdpi.com/2227-7390/8/6/908/xml |
| article xml file uploaded | 22 June 2020 09:34 CEST | Original file | - |
| article pdf uploaded. | 3 June 2020 16:01 CEST | Version of Record | https://www.mdpi.com/2227-7390/8/6/908/pdf-vor |
