| article html file updated | 31 August 2025 16:11 CEST | Update | https://www.mdpi.com/2227-7072/8/2/19 |
| article html file updated | 21 July 2022 00:40 CEST | Update | - |
| article html file updated | 14 April 2020 09:42 CEST | Original file | - |
| article pdf uploaded. | 14 April 2020 09:41 CEST | Updated version of record | https://www.mdpi.com/2227-7072/8/2/19/pdf |
| article xml uploaded. | 14 April 2020 09:41 CEST | Update | https://www.mdpi.com/2227-7072/8/2/19/xml |
| article xml file uploaded | 14 April 2020 09:41 CEST | Update | - |
| article pdf uploaded. | 1 April 2020 16:59 CEST | Version of Record | https://www.mdpi.com/2227-7072/8/2/19/pdf-vor |
| article xml file uploaded | 1 April 2020 16:59 CEST | Original file | - |
