| article html file updated | 31 August 2025 03:52 CEST | Update | https://www.mdpi.com/1996-1073/12/21/4169 |
| article html file updated | 20 July 2022 00:30 CEST | Update | N/A |
| article html file updated | 14 February 2020 05:48 CET | Update | N/A |
| article html file updated | 15 November 2019 09:15 CET | Update | N/A |
| article html file updated | 4 November 2019 07:57 CET | Update | N/A |
| article pdf uploaded. | 4 November 2019 07:55 CET | Updated version of record | https://www.mdpi.com/1996-1073/12/21/4169/pdf |
| article xml uploaded. | 4 November 2019 07:55 CET | Update | https://www.mdpi.com/1996-1073/12/21/4169/xml |
| article xml file uploaded | 4 November 2019 07:55 CET | Update | N/A |
| article html file updated | 1 November 2019 09:24 CET | Original file | N/A |
| article pdf uploaded. | 1 November 2019 09:22 CET | Version of Record | https://www.mdpi.com/1996-1073/12/21/4169/pdf-vor |
| article xml uploaded. | 1 November 2019 09:22 CET | Update | N/A |
| article xml file uploaded | 1 November 2019 09:22 CET | Original file | N/A |
