| article html file updated | 31 August 2025 22:16 CEST | Update | https://www.mdpi.com/1999-4907/11/6/619 |
| article html file updated | 21 July 2022 06:40 CEST | Update | - |
| article html file updated | 12 June 2020 09:44 CEST | Original file | - |
| article pdf uploaded. | 12 June 2020 09:42 CEST | Updated version of record | https://www.mdpi.com/1999-4907/11/6/619/pdf |
| article xml uploaded. | 12 June 2020 09:42 CEST | Update | https://www.mdpi.com/1999-4907/11/6/619/xml |
| article xml file uploaded | 12 June 2020 09:42 CEST | Original file | - |
| article pdf uploaded. | 1 June 2020 12:17 CEST | Version of Record | https://www.mdpi.com/1999-4907/11/6/619/pdf-vor |
