| article html file updated | 19 August 2026 07:07 CEST | Update | https://www.mdpi.com/2227-9717/9/4/660 |
| article html file updated | 2 September 2025 03:16 CEST | Update | N/A |
| article html file updated | 25 July 2022 11:30 CEST | Update | N/A |
| article html file updated | 4 August 2021 20:30 CEST | Update | N/A |
| article html file updated | 12 April 2021 07:28 CEST | Original file | N/A |
| article pdf uploaded. | 12 April 2021 07:26 CEST | Updated version of record | https://www.mdpi.com/2227-9717/9/4/660/pdf |
| article xml uploaded. | 12 April 2021 07:26 CEST | Update | https://www.mdpi.com/2227-9717/9/4/660/xml |
| article xml file uploaded | 12 April 2021 07:26 CEST | Original file | N/A |
| article pdf uploaded. | 9 April 2021 13:57 CEST | Version of Record | https://www.mdpi.com/2227-9717/9/4/660/pdf-vor |
