| article html file updated | 31 August 2025 16:13 CEST | Update | https://www.mdpi.com/2077-0383/9/4/990 |
| article html file updated | 21 July 2022 00:42 CEST | Update | - |
| article html file updated | 3 April 2020 07:43 CEST | Original file | - |
| article pdf uploaded. | 3 April 2020 07:42 CEST | Updated version of record | https://www.mdpi.com/2077-0383/9/4/990/pdf |
| article xml uploaded. | 3 April 2020 07:42 CEST | Update | https://www.mdpi.com/2077-0383/9/4/990/xml |
| article xml file uploaded | 3 April 2020 07:42 CEST | Update | - |
| article pdf uploaded. | 2 April 2020 10:42 CEST | Version of Record | https://www.mdpi.com/2077-0383/9/4/990/pdf-vor |
| article xml file uploaded | 2 April 2020 10:42 CEST | Original file | - |
