| article html file updated | 19 August 2026 07:18 CEST | Update | https://www.mdpi.com/2227-9717/9/4/670 |
| article html file updated | 2 September 2025 03:25 CEST | Update | N/A |
| article html file updated | 25 July 2022 11:42 CEST | Update | N/A |
| article html file updated | 5 August 2021 00:29 CEST | Update | N/A |
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| article html file updated | 14 April 2021 10:01 CEST | Update | N/A |
| article html file updated | 13 April 2021 11:10 CEST | Original file | N/A |
| article pdf uploaded. | 13 April 2021 11:08 CEST | Updated version of record | https://www.mdpi.com/2227-9717/9/4/670/pdf |
| article xml uploaded. | 13 April 2021 11:08 CEST | Update | https://www.mdpi.com/2227-9717/9/4/670/xml |
| article xml file uploaded | 13 April 2021 11:08 CEST | Original file | N/A |
| article pdf uploaded. | 11 April 2021 08:27 CEST | Version of Record | https://www.mdpi.com/2227-9717/9/4/670/pdf-vor |
