| article html file updated | 31 August 2025 03:39 CEST | Update | https://www.mdpi.com/1996-1073/12/21/4120 |
| article html file updated | 20 July 2022 00:45 CEST | Update | N/A |
| article html file updated | 14 February 2020 04:45 CET | Update | N/A |
| article html file updated | 15 November 2019 08:27 CET | Update | N/A |
| article html file updated | 1 November 2019 08:24 CET | Update | N/A |
| article pdf uploaded. | 1 November 2019 08:22 CET | Updated version of record | https://www.mdpi.com/1996-1073/12/21/4120/pdf |
| article xml uploaded. | 1 November 2019 08:22 CET | Update | https://www.mdpi.com/1996-1073/12/21/4120/xml |
| article xml file uploaded | 1 November 2019 08:22 CET | Update | N/A |
| article html file updated | 28 October 2019 17:11 CET | Original file | N/A |
| article pdf uploaded. | 28 October 2019 17:10 CET | Version of Record | https://www.mdpi.com/1996-1073/12/21/4120/pdf-vor |
| article xml uploaded. | 28 October 2019 17:10 CET | Update | N/A |
| article xml file uploaded | 28 October 2019 17:10 CET | Original file | N/A |
