| article html file updated | 31 August 2025 05:58 CEST | Update | https://www.mdpi.com/2218-273X/9/12/840 |
| article html file updated | 19 July 2022 22:16 CEST | Update | - |
| article html file updated | 14 February 2020 16:41 CET | Update | - |
| article html file updated | 31 December 2019 12:44 CET | Update | - |
| article html file updated | 18 December 2019 07:35 CET | Original file | - |
| article pdf uploaded. | 18 December 2019 07:33 CET | Updated version of record | https://www.mdpi.com/2218-273X/9/12/840/pdf |
| article xml uploaded. | 18 December 2019 07:33 CET | Update | https://www.mdpi.com/2218-273X/9/12/840/xml |
| article xml file uploaded | 18 December 2019 07:33 CET | Update | - |
| article pdf uploaded. | 6 December 2019 16:13 CET | Version of Record | https://www.mdpi.com/2218-273X/9/12/840/pdf-vor |
| article xml file uploaded | 6 December 2019 16:13 CET | Original file | - |
