| article html file updated | 31 August 2025 05:01 CEST | Update | https://www.mdpi.com/2075-471X/8/4/31 |
| article html file updated | 21 August 2025 23:25 CEST | Update | - |
| article html file updated | 19 July 2022 23:14 CEST | Update | - |
| article html file updated | 14 February 2020 12:11 CET | Update | - |
| article html file updated | 22 November 2019 12:02 CET | Original file | - |
| article pdf uploaded. | 22 November 2019 12:01 CET | Version of Record | https://www.mdpi.com/2075-471X/8/4/31/pdf |
| article xml uploaded. | 22 November 2019 12:01 CET | Update | https://www.mdpi.com/2075-471X/8/4/31/xml |
| article xml file uploaded | 22 November 2019 12:01 CET | Original file | - |
