| article html file updated | 31 August 2025 10:12 CEST | Update | https://www.mdpi.com/2218-6581/9/1/7 |
| article html file updated | 20 July 2022 18:43 CEST | Update | - |
| article html file updated | 26 March 2020 12:40 CET | Original file | - |
| article pdf uploaded. | 26 March 2020 12:38 CET | Updated version of record | https://www.mdpi.com/2218-6581/9/1/7/pdf |
| article xml uploaded. | 26 March 2020 12:38 CET | Update | https://www.mdpi.com/2218-6581/9/1/7/xml |
| article xml file uploaded | 26 March 2020 12:38 CET | Update | - |
| article pdf uploaded. | 29 January 2020 12:56 CET | Version of Record | https://www.mdpi.com/2218-6581/9/1/7/pdf-vor |
| article xml file uploaded | 29 January 2020 12:56 CET | Original file | - |
