| article html file updated | 31 August 2025 23:31 CEST | Update | https://www.mdpi.com/2223-7747/9/6/745 |
| article html file updated | 21 July 2022 20:46 CEST | Update | - |
| article html file updated | 22 June 2020 05:57 CEST | Update | - |
| article pdf uploaded. | 22 June 2020 05:56 CEST | Updated version of record | https://www.mdpi.com/2223-7747/9/6/745/pdf |
| article xml uploaded. | 22 June 2020 05:56 CEST | Update | https://www.mdpi.com/2223-7747/9/6/745/xml |
| article xml file uploaded | 22 June 2020 05:56 CEST | Update | - |
| article html file updated | 22 June 2020 05:47 CEST | Original file | - |
| article pdf uploaded. | 22 June 2020 05:45 CEST | Updated version of record | https://www.mdpi.com/2223-7747/9/6/745/pdf-vor |
| article xml file uploaded | 22 June 2020 05:45 CEST | Original file | - |
| article pdf uploaded. | 12 June 2020 17:41 CEST | Version of Record | https://www.mdpi.com/2223-7747/9/6/745/pdf-vor |
