| article html file updated | 31 August 2025 22:24 CEST | Update | https://www.mdpi.com/2223-7747/9/6/709 |
| article html file updated | 21 July 2022 06:49 CEST | Update | - |
| article html file updated | 6 July 2020 12:52 CEST | Update | - |
| article html file updated | 29 June 2020 10:04 CEST | Original file | - |
| article pdf uploaded. | 29 June 2020 10:02 CEST | Updated version of record | https://www.mdpi.com/2223-7747/9/6/709/pdf |
| article xml uploaded. | 29 June 2020 10:02 CEST | Update | https://www.mdpi.com/2223-7747/9/6/709/xml |
| article xml file uploaded | 29 June 2020 10:02 CEST | Original file | - |
| article supplementary file uploaded. | 2 June 2020 14:36 CEST | - | https://www.mdpi.com/2223-7747/9/6/709#supplementary |
| article pdf uploaded. | 2 June 2020 14:36 CEST | Version of Record | https://www.mdpi.com/2223-7747/9/6/709/pdf-vor |
