| article html file updated | 31 August 2025 23:22 CEST | Update | https://www.mdpi.com/1999-4907/11/6/669 |
| article html file updated | 21 July 2022 20:37 CEST | Update | - |
| article html file updated | 28 June 2020 11:32 CEST | Original file | - |
| article pdf uploaded. | 28 June 2020 11:31 CEST | Updated version of record | https://www.mdpi.com/1999-4907/11/6/669/pdf |
| article xml uploaded. | 28 June 2020 11:31 CEST | Update | https://www.mdpi.com/1999-4907/11/6/669/xml |
| article xml file uploaded | 28 June 2020 11:31 CEST | Original file | - |
| article pdf uploaded. | 11 June 2020 15:40 CEST | Version of Record | https://www.mdpi.com/1999-4907/11/6/669/pdf-vor |
