| article html file updated | 31 August 2025 07:17 CEST | Update | https://new.mdpi.com/1999-4915/12/1/18 |
| article html file updated | 19 July 2022 21:00 CEST | Update | - |
| article html file updated | 14 February 2020 21:04 CET | Update | - |
| article html file updated | 6 February 2020 22:51 CET | Update | - |
| article html file updated | 23 December 2019 10:23 CET | Original file | - |
| article pdf uploaded. | 23 December 2019 10:22 CET | Version of Record | https://new.mdpi.com/1999-4915/12/1/18/pdf |
| article xml uploaded. | 23 December 2019 10:22 CET | Update | https://new.mdpi.com/1999-4915/12/1/18/xml |
| article xml file uploaded | 23 December 2019 10:22 CET | Original file | - |
