| article html file updated | 31 August 2025 21:00 CEST | Update | https://www.mdpi.com/2226-4787/8/2/87 |
| article html file updated | 21 July 2022 05:24 CEST | Update | - |
| article html file updated | 20 May 2020 11:12 CEST | Original file | - |
| article pdf uploaded. | 20 May 2020 11:10 CEST | Version of Record | https://www.mdpi.com/2226-4787/8/2/87/pdf |
| article xml uploaded. | 20 May 2020 11:10 CEST | Update | https://www.mdpi.com/2226-4787/8/2/87/xml |
| article xml file uploaded | 20 May 2020 11:10 CEST | Original file | - |
