| article html file updated | 6 September 2025 23:48 CEST | Update | https://www.mdpi.com/2304-8158/10/9/2019 |
| article html file updated | 30 July 2022 03:05 CEST | Update | - |
| article html file updated | 3 September 2021 03:06 CEST | Update | - |
| article pdf uploaded. | 3 September 2021 03:05 CEST | Updated version of record | https://www.mdpi.com/2304-8158/10/9/2019/pdf |
| article xml uploaded. | 3 September 2021 03:05 CEST | Update | https://www.mdpi.com/2304-8158/10/9/2019/xml |
| article xml file uploaded | 3 September 2021 03:05 CEST | Update | - |
| article html file updated | 2 September 2021 10:38 CEST | Original file | - |
| article pdf uploaded. | 2 September 2021 10:37 CEST | Updated version of record | https://www.mdpi.com/2304-8158/10/9/2019/pdf-vor |
| article xml uploaded. | 2 September 2021 10:37 CEST | Update | - |
| article xml file uploaded | 2 September 2021 10:37 CEST | Original file | - |
| article pdf uploaded. | 27 August 2021 16:35 CEST | Version of Record | https://www.mdpi.com/2304-8158/10/9/2019/pdf-vor |
