| article html file updated | 31 August 2025 17:17 CEST | Update | https://www.mdpi.com/1999-4915/12/4/438 |
| article html file updated | 21 July 2022 01:46 CEST | Update | - |
| article html file updated | 21 April 2020 15:02 CEST | Update | - |
| article pdf uploaded. | 21 April 2020 15:01 CEST | Updated version of record | https://www.mdpi.com/1999-4915/12/4/438/pdf |
| article xml uploaded. | 21 April 2020 15:01 CEST | Update | https://www.mdpi.com/1999-4915/12/4/438/xml |
| article xml file uploaded | 21 April 2020 15:01 CEST | Update | - |
| article html file updated | 13 April 2020 14:59 CEST | Original file | - |
| article pdf uploaded. | 13 April 2020 14:57 CEST | Version of Record | https://www.mdpi.com/1999-4915/12/4/438/pdf-vor |
| article xml file uploaded | 13 April 2020 14:57 CEST | Original file | - |
