| article html file updated | 17 August 2026 00:08 CEST | Update | https://www.mdpi.com/2071-1050/12/2/668 |
| article html file updated | 31 August 2025 09:11 CEST | Update | N/A |
| article html file updated | 20 July 2022 17:42 CEST | Update | N/A |
| article html file updated | 15 February 2020 03:33 CET | Update | N/A |
| article html file updated | 21 January 2020 03:05 CET | Original file | N/A |
| article pdf uploaded. | 21 January 2020 03:03 CET | Updated version of record | https://www.mdpi.com/2071-1050/12/2/668/pdf |
| article xml uploaded. | 21 January 2020 03:03 CET | Update | https://www.mdpi.com/2071-1050/12/2/668/xml |
| article xml file uploaded | 21 January 2020 03:03 CET | Update | N/A |
| article pdf uploaded. | 16 January 2020 13:40 CET | Version of Record | https://www.mdpi.com/2071-1050/12/2/668/pdf-vor |
| article xml file uploaded | 16 January 2020 13:40 CET | Original file | N/A |
