| article html file updated | 31 August 2025 09:04 CEST | Update | https://www.mdpi.com/2223-7747/9/1/111 |
| article html file updated | 20 July 2022 17:35 CEST | Update | - |
| article html file updated | 15 February 2020 03:09 CET | Update | - |
| article html file updated | 5 February 2020 13:23 CET | Update | - |
| article html file updated | 22 January 2020 09:09 CET | Original file | - |
| article pdf uploaded. | 22 January 2020 09:08 CET | Updated version of record | https://www.mdpi.com/2223-7747/9/1/111/pdf |
| article xml uploaded. | 22 January 2020 09:08 CET | Update | https://www.mdpi.com/2223-7747/9/1/111/xml |
| article xml file uploaded | 22 January 2020 09:08 CET | Update | - |
| article pdf uploaded. | 15 January 2020 14:04 CET | Version of Record | https://www.mdpi.com/2223-7747/9/1/111/pdf-vor |
| article xml file uploaded | 15 January 2020 14:04 CET | Original file | - |
