| article html file updated | 31 August 2025 23:41 CEST | Update | https://www.mdpi.com/1999-4907/11/6/681 |
| article html file updated | 21 July 2022 20:56 CEST | Update | - |
| article html file updated | 16 June 2020 13:59 CEST | Original file | - |
| article pdf uploaded. | 16 June 2020 13:57 CEST | Updated version of record | https://www.mdpi.com/1999-4907/11/6/681/pdf |
| article xml uploaded. | 16 June 2020 13:57 CEST | Update | https://www.mdpi.com/1999-4907/11/6/681/xml |
| article xml file uploaded | 16 June 2020 13:57 CEST | Original file | - |
| article pdf uploaded. | 15 June 2020 14:10 CEST | Version of Record | https://www.mdpi.com/1999-4907/11/6/681/pdf-vor |
