| article html file updated | 31 August 2025 09:58 CEST | Update | https://www.mdpi.com/2227-7072/8/1/4 |
| article html file updated | 20 July 2022 18:29 CEST | Update | - |
| article html file updated | 2 April 2020 08:55 CEST | Update | - |
| article html file updated | 26 March 2020 12:37 CET | Original file | - |
| article pdf uploaded. | 26 March 2020 12:36 CET | Updated version of record | https://www.mdpi.com/2227-7072/8/1/4/pdf |
| article xml uploaded. | 26 March 2020 12:36 CET | Update | https://www.mdpi.com/2227-7072/8/1/4/xml |
| article xml file uploaded | 26 March 2020 12:36 CET | Update | - |
| article pdf uploaded. | 25 January 2020 13:12 CET | Version of Record | https://www.mdpi.com/2227-7072/8/1/4/pdf-vor |
| article xml file uploaded | 25 January 2020 13:12 CET | Original file | - |
