| article html file updated | 31 August 2025 10:51 CEST | Update | https://www.mdpi.com/2225-1146/8/1/4 |
| article html file updated | 20 July 2022 19:22 CEST | Update | - |
| article html file updated | 26 March 2020 12:46 CET | Original file | - |
| article pdf uploaded. | 26 March 2020 12:45 CET | Updated version of record | https://www.mdpi.com/2225-1146/8/1/4/pdf |
| article xml uploaded. | 26 March 2020 12:45 CET | Update | https://www.mdpi.com/2225-1146/8/1/4/xml |
| article xml file uploaded | 26 March 2020 12:45 CET | Update | - |
| article pdf uploaded. | 5 February 2020 16:44 CET | Version of Record | https://www.mdpi.com/2225-1146/8/1/4/pdf-vor |
| article xml file uploaded | 5 February 2020 16:44 CET | Original file | - |
