| article html file updated | 24 December 2025 19:17 CET | Update | https://www.mdpi.com/2223-7747/9/6/742 |
| article html file updated | 31 August 2025 23:28 CEST | Update | - |
| article html file updated | 21 July 2022 20:43 CEST | Update | - |
| article html file updated | 18 June 2020 13:52 CEST | Original file | - |
| article pdf uploaded. | 18 June 2020 13:50 CEST | Updated version of record | https://www.mdpi.com/2223-7747/9/6/742/pdf |
| article xml uploaded. | 18 June 2020 13:50 CEST | Update | https://www.mdpi.com/2223-7747/9/6/742/xml |
| article xml file uploaded | 18 June 2020 13:50 CEST | Original file | - |
| article pdf uploaded. | 12 June 2020 12:49 CEST | Updated version of record | https://www.mdpi.com/2223-7747/9/6/742/pdf-vor |
| article pdf uploaded. | 12 June 2020 12:49 CEST | Version of Record | https://www.mdpi.com/2223-7747/9/6/742/pdf-vor |
