| article html file updated | 31 August 2025 10:32 CEST | Update | https://www.mdpi.com/2223-7747/9/2/181 |
| article html file updated | 20 July 2022 19:03 CEST | Update | - |
| article html file updated | 6 March 2020 08:42 CET | Update | - |
| article html file updated | 29 February 2020 16:07 CET | Original file | - |
| article pdf uploaded. | 29 February 2020 16:05 CET | Updated version of record | https://www.mdpi.com/2223-7747/9/2/181/pdf |
| article xml uploaded. | 29 February 2020 16:05 CET | Update | https://www.mdpi.com/2223-7747/9/2/181/xml |
| article xml file uploaded | 29 February 2020 16:05 CET | Update | - |
| article pdf uploaded. | 2 February 2020 14:59 CET | Version of Record | https://www.mdpi.com/2223-7747/9/2/181/pdf-vor |
| article xml file uploaded | 2 February 2020 14:59 CET | Original file | - |
