| article html file updated | 30 August 2025 20:52 CEST | Update | https://www.mdpi.com/1999-4915/11/6/531 |
| article html file updated | 21 August 2025 21:17 CEST | Update | - |
| article html file updated | 20 July 2022 15:54 CEST | Update | - |
| article html file updated | 12 February 2020 18:22 CET | Update | - |
| article html file updated | 21 October 2019 13:12 CEST | Update | - |
| article html file updated | 5 July 2019 15:02 CEST | Update | - |
| article html file updated | 5 July 2019 12:49 CEST | Update | - |
| article html file updated | 10 June 2019 11:24 CEST | Original file | - |
| article pdf uploaded. | 10 June 2019 11:22 CEST | Updated version of record | https://www.mdpi.com/1999-4915/11/6/531/pdf |
| article xml uploaded. | 10 June 2019 11:22 CEST | Update | https://www.mdpi.com/1999-4915/11/6/531/xml |
| article xml file uploaded | 10 June 2019 11:22 CEST | Update | - |
| article pdf uploaded. | 7 June 2019 16:02 CEST | Version of Record | https://www.mdpi.com/1999-4915/11/6/531/pdf-vor |
| article xml file uploaded | 7 June 2019 16:02 CEST | Original file | - |
