| article html file updated | 31 August 2025 12:35 CEST | Update | https://www.mdpi.com/2225-1146/8/1/6 |
| article html file updated | 20 July 2022 21:05 CEST | Update | - |
| article html file updated | 25 March 2020 14:03 CET | Original file | - |
| article pdf uploaded. | 25 March 2020 14:01 CET | Updated version of record | https://www.mdpi.com/2225-1146/8/1/6/pdf |
| article xml uploaded. | 25 March 2020 14:01 CET | Update | https://www.mdpi.com/2225-1146/8/1/6/xml |
| article xml file uploaded | 25 March 2020 14:01 CET | Update | - |
| article pdf uploaded. | 24 February 2020 14:34 CET | Version of Record | https://www.mdpi.com/2225-1146/8/1/6/pdf-vor |
| article xml file uploaded | 24 February 2020 14:34 CET | Original file | - |
