| article html file updated | 31 August 2025 03:30 CEST | Update | https://www.mdpi.com/1996-1073/12/21/4072 |
| article html file updated | 20 July 2022 00:55 CEST | Update | - |
| article html file updated | 14 February 2020 03:57 CET | Update | - |
| article html file updated | 15 November 2019 07:28 CET | Update | - |
| article html file updated | 29 October 2019 11:15 CET | Update | - |
| article pdf uploaded. | 29 October 2019 11:13 CET | Updated version of record | https://www.mdpi.com/1996-1073/12/21/4072/pdf |
| article xml uploaded. | 29 October 2019 11:13 CET | Update | https://www.mdpi.com/1996-1073/12/21/4072/xml |
| article xml file uploaded | 29 October 2019 11:13 CET | Update | - |
| article html file updated | 25 October 2019 12:04 CEST | Original file | - |
| article pdf uploaded. | 25 October 2019 12:02 CEST | Version of Record | https://www.mdpi.com/1996-1073/12/21/4072/pdf-vor |
| article xml uploaded. | 25 October 2019 12:02 CEST | Update | - |
| article xml file uploaded | 25 October 2019 12:02 CEST | Original file | - |
