| article html file updated | 31 August 2025 06:26 CEST | Update | https://www.mdpi.com/2218-273X/9/12/870 |
| article html file updated | 19 July 2022 21:49 CEST | Update | - |
| article html file updated | 14 February 2020 18:17 CET | Update | - |
| article html file updated | 31 December 2019 13:08 CET | Update | - |
| article html file updated | 19 December 2019 09:15 CET | Original file | - |
| article pdf uploaded. | 19 December 2019 09:11 CET | Updated version of record | https://www.mdpi.com/2218-273X/9/12/870/pdf |
| article xml uploaded. | 19 December 2019 09:11 CET | Update | https://www.mdpi.com/2218-273X/9/12/870/xml |
| article xml file uploaded | 19 December 2019 09:11 CET | Update | - |
| article pdf uploaded. | 12 December 2019 15:34 CET | Version of Record | https://www.mdpi.com/2218-273X/9/12/870/pdf-vor |
| article xml file uploaded | 12 December 2019 15:34 CET | Original file | - |
