| article html file updated | 31 August 2025 23:21 CEST | Update | https://www.mdpi.com/1999-4907/11/6/668 |
| article html file updated | 21 July 2022 20:36 CEST | Update | - |
| article html file updated | 29 June 2020 09:01 CEST | Original file | - |
| article pdf uploaded. | 29 June 2020 09:00 CEST | Updated version of record | https://www.mdpi.com/1999-4907/11/6/668/pdf |
| article xml uploaded. | 29 June 2020 09:00 CEST | Update | https://www.mdpi.com/1999-4907/11/6/668/xml |
| article xml file uploaded | 29 June 2020 09:00 CEST | Original file | - |
| article pdf uploaded. | 11 June 2020 14:33 CEST | Version of Record | https://www.mdpi.com/1999-4907/11/6/668/pdf-vor |
