| article html file updated | 30 August 2025 20:27 CEST | Update | https://www.mdpi.com/2218-273X/9/6/208 |
| article html file updated | 29 July 2025 13:01 CEST | Update | - |
| article html file updated | 24 January 2024 09:43 CET | Update | - |
| article xml uploaded. | 24 January 2024 09:41 CET | Minor correction | https://www.mdpi.com/2218-273X/9/6/208/xml |
| article pdf uploaded. | 24 January 2024 09:41 CET | Minor correction | https://www.mdpi.com/2218-273X/9/6/208/pdf |
| article html file updated | 24 January 2024 04:02 CET | Update | - |
| article xml uploaded. | 24 January 2024 04:01 CET | Minor correction | - |
| article xml uploaded. | 24 January 2024 04:01 CET | Minor correction | - |
| article pdf uploaded. | 24 January 2024 04:01 CET | Minor correction | https://www.mdpi.com/2218-273X/9/6/208/pdf-vor |
| article html file updated | 19 July 2022 19:19 CEST | Update | - |
| article html file updated | 12 February 2020 16:14 CET | Update | - |
| article html file updated | 20 October 2019 23:43 CEST | Update | - |
| article html file updated | 4 July 2019 17:31 CEST | Update | - |
| article html file updated | 21 June 2019 12:49 CEST | Original file | - |
| article pdf uploaded. | 21 June 2019 12:48 CEST | Updated version of record | https://www.mdpi.com/2218-273X/9/6/208/pdf-vor |
| article xml file uploaded | 21 June 2019 12:48 CEST | Update | - |
| article xml file uploaded | 29 May 2019 16:40 CEST | Original file | - |
| article pdf uploaded. | 29 May 2019 16:40 CEST | Version of Record | https://www.mdpi.com/2218-273X/9/6/208/pdf-vor |
