| article html file updated | 31 August 2025 01:25 CEST | Update | https://www.mdpi.com/2075-4663/7/9/212 |
| article html file updated | 21 August 2025 22:30 CEST | Update | - |
| article html file updated | 20 July 2022 03:27 CEST | Update | - |
| article html file updated | 13 February 2020 17:29 CET | Update | - |
| article html file updated | 25 September 2019 23:17 CEST | Update | - |
| article html file updated | 13 September 2019 11:21 CEST | Update | - |
| article html file updated | 13 September 2019 11:20 CEST | Update | - |
| article html file updated | 13 September 2019 11:19 CEST | Original file | - |
| article pdf uploaded. | 13 September 2019 11:18 CEST | Version of Record | https://www.mdpi.com/2075-4663/7/9/212/pdf |
| article xml uploaded. | 13 September 2019 11:18 CEST | Update | https://www.mdpi.com/2075-4663/7/9/212/xml |
| article xml file uploaded | 13 September 2019 11:18 CEST | Original file | - |
