| article html file updated | 31 August 2025 18:08 CEST | Update | https://www.mdpi.com/1999-4915/12/4/471 |
| article html file updated | 21 July 2022 02:35 CEST | Update | - |
| article html file updated | 27 April 2020 04:32 CEST | Original file | - |
| article pdf uploaded. | 27 April 2020 04:31 CEST | Updated version of record | https://www.mdpi.com/1999-4915/12/4/471/pdf |
| article xml uploaded. | 27 April 2020 04:31 CEST | Update | https://www.mdpi.com/1999-4915/12/4/471/xml |
| article xml file uploaded | 27 April 2020 04:31 CEST | Update | - |
| article pdf uploaded. | 21 April 2020 15:36 CEST | Version of Record | https://www.mdpi.com/1999-4915/12/4/471/pdf-vor |
| article xml file uploaded | 21 April 2020 15:36 CEST | Original file | - |
