| article html file updated | 30 August 2025 13:50 CEST | Update | https://www.mdpi.com/2504-4494/3/2/31 |
| article html file updated | 19 July 2022 17:23 CEST | Update | - |
| article html file updated | 12 February 2020 04:17 CET | Update | - |
| article html file updated | 18 October 2019 01:54 CEST | Update | - |
| article html file updated | 25 April 2019 14:20 CEST | Update | - |
| article html file updated | 11 April 2019 10:50 CEST | Update | - |
| article html file updated | 10 April 2019 23:16 CEST | Original file | - |
| article pdf uploaded. | 10 April 2019 12:12 CEST | Version of Record | https://www.mdpi.com/2504-4494/3/2/31/pdf |
| article xml uploaded. | 10 April 2019 12:12 CEST | Update | https://www.mdpi.com/2504-4494/3/2/31/xml |
| article xml file uploaded | 10 April 2019 12:12 CEST | Original file | - |