| article html file updated | 31 August 2025 03:41 CEST | Update | https://www.mdpi.com/1996-1073/12/21/4122 |
| article html file updated | 20 July 2022 00:43 CEST | Update | N/A |
| article html file updated | 14 February 2020 04:54 CET | Update | N/A |
| article html file updated | 15 November 2019 08:29 CET | Update | N/A |
| article html file updated | 4 November 2019 13:23 CET | Update | N/A |
| article pdf uploaded. | 4 November 2019 13:22 CET | Updated version of record | https://www.mdpi.com/1996-1073/12/21/4122/pdf |
| article xml uploaded. | 4 November 2019 13:22 CET | Update | https://www.mdpi.com/1996-1073/12/21/4122/xml |
| article xml file uploaded | 4 November 2019 13:22 CET | Update | N/A |
| article html file updated | 29 October 2019 11:21 CET | Original file | N/A |
| article pdf uploaded. | 29 October 2019 11:19 CET | Version of Record | https://www.mdpi.com/1996-1073/12/21/4122/pdf-vor |
| article xml uploaded. | 29 October 2019 11:19 CET | Update | N/A |
| article xml file uploaded | 29 October 2019 11:19 CET | Original file | N/A |
