| article html file updated | 31 August 2025 07:22 CEST | Update | https://www.mdpi.com/2076-3921/9/1/18 |
| article html file updated | 19 July 2022 20:55 CEST | Update | - |
| article html file updated | 14 February 2020 21:23 CET | Update | - |
| article html file updated | 7 February 2020 14:08 CET | Update | - |
| article html file updated | 24 December 2019 12:50 CET | Original file | - |
| article pdf uploaded. | 24 December 2019 12:49 CET | Version of Record | https://www.mdpi.com/2076-3921/9/1/18/pdf |
| article xml uploaded. | 24 December 2019 12:49 CET | Update | https://www.mdpi.com/2076-3921/9/1/18/xml |
| article xml file uploaded | 24 December 2019 12:49 CET | Original file | - |
