| article html file updated | 31 August 2025 22:39 CEST | Update | https://www.mdpi.com/1999-4915/12/6/612 |
| article html file updated | 21 July 2022 07:03 CEST | Update | - |
| article html file updated | 12 June 2020 17:29 CEST | Original file | - |
| article pdf uploaded. | 12 June 2020 17:26 CEST | Updated version of record | https://www.mdpi.com/1999-4915/12/6/612/pdf |
| article xml uploaded. | 12 June 2020 17:26 CEST | Update | https://www.mdpi.com/1999-4915/12/6/612/xml |
| article xml file uploaded | 12 June 2020 17:26 CEST | Original file | - |
| article pdf uploaded. | 5 June 2020 08:22 CEST | Updated version of record | https://www.mdpi.com/1999-4915/12/6/612/pdf-vor |
| article pdf uploaded. | 4 June 2020 14:32 CEST | Updated version of record | https://www.mdpi.com/1999-4915/12/6/612/pdf-vor |
| article pdf uploaded. | 4 June 2020 14:32 CEST | Version of Record | https://www.mdpi.com/1999-4915/12/6/612/pdf-vor |
