| article html file updated | 31 August 2025 16:44 CEST | Update | https://www.mdpi.com/2304-8158/9/4/451 |
| article html file updated | 21 July 2022 01:14 CEST | Update | - |
| article html file updated | 9 April 2020 15:57 CEST | Original file | - |
| article pdf uploaded. | 9 April 2020 15:55 CEST | Updated version of record | https://www.mdpi.com/2304-8158/9/4/451/pdf |
| article xml uploaded. | 9 April 2020 15:55 CEST | Update | https://www.mdpi.com/2304-8158/9/4/451/xml |
| article xml file uploaded | 9 April 2020 15:55 CEST | Update | - |
| article pdf uploaded. | 7 April 2020 16:25 CEST | Version of Record | https://www.mdpi.com/2304-8158/9/4/451/pdf-vor |
| article xml file uploaded | 7 April 2020 16:25 CEST | Original file | - |
