| article html file updated | 17 August 2026 23:43 CEST | Update | https://www.mdpi.com/2077-1312/8/9/664 |
| article html file updated | 1 September 2025 06:52 CEST | Update | N/A |
| article html file updated | 22 July 2022 05:05 CEST | Update | N/A |
| article html file updated | 1 September 2020 08:33 CEST | Original file | N/A |
| article pdf uploaded. | 1 September 2020 08:31 CEST | Updated version of record | https://www.mdpi.com/2077-1312/8/9/664/pdf |
| article xml uploaded. | 1 September 2020 08:31 CEST | Update | https://www.mdpi.com/2077-1312/8/9/664/xml |
| article xml file uploaded | 1 September 2020 08:31 CEST | Original file | N/A |
| article pdf uploaded. | 27 August 2020 16:32 CEST | Version of Record | https://www.mdpi.com/2077-1312/8/9/664/pdf-vor |
