| article html file updated | 30 August 2025 11:10 CEST | Update | https://www.mdpi.com/2571-5577/2/1/4 |
| article html file updated | 20 July 2022 16:50 CEST | Update | - |
| article html file updated | 11 February 2020 09:45 CET | Update | - |
| article html file updated | 13 October 2019 13:18 CEST | Update | - |
| article html file updated | 27 April 2019 04:53 CEST | Update | - |
| article html file updated | 13 April 2019 00:58 CEST | Update | - |
| article html file updated | 3 April 2019 05:24 CEST | Update | - |
| article html file updated | 17 January 2019 13:39 CET | Original file | - |
| article pdf uploaded. | 17 January 2019 13:38 CET | Version of Record | https://www.mdpi.com/2571-5577/2/1/4/pdf |
| article xml uploaded. | 17 January 2019 13:38 CET | Update | https://www.mdpi.com/2571-5577/2/1/4/xml |
| article xml file uploaded | 17 January 2019 13:38 CET | Original file | - |
