| article html file updated | 31 August 2025 11:00 CEST | Update | https://www.mdpi.com/2409-515X/6/1/9 |
| article html file updated | 20 July 2022 19:31 CEST | Update | - |
| article html file updated | 22 March 2020 11:44 CET | Original file | - |
| article pdf uploaded. | 22 March 2020 11:43 CET | Updated version of record | https://www.mdpi.com/2409-515X/6/1/9/pdf |
| article xml uploaded. | 22 March 2020 11:43 CET | Update | https://www.mdpi.com/2409-515X/6/1/9/xml |
| article xml file uploaded | 22 March 2020 11:43 CET | Update | - |
| article pdf uploaded. | 7 February 2020 11:27 CET | Version of Record | https://www.mdpi.com/2409-515X/6/1/9/pdf-vor |
| article xml file uploaded | 7 February 2020 11:27 CET | Original file | - |
