| article html file updated | 31 August 2025 01:02 CEST | Update | https://www.mdpi.com/2072-6643/11/9/2121 |
| article html file updated | 20 July 2022 03:54 CEST | Update | - |
| article html file updated | 13 February 2020 15:36 CET | Update | - |
| article html file updated | 26 September 2019 06:09 CEST | Update | - |
| article html file updated | 6 September 2019 07:44 CEST | Original file | - |
| article pdf uploaded. | 6 September 2019 07:43 CEST | Version of Record | https://www.mdpi.com/2072-6643/11/9/2121/pdf |
| article xml uploaded. | 6 September 2019 07:43 CEST | Update | https://www.mdpi.com/2072-6643/11/9/2121/xml |
| article xml file uploaded | 6 September 2019 07:43 CEST | Original file | - |
