| article html file updated | 31 August 2025 03:10 CEST | Update | https://www.mdpi.com/1996-1073/12/20/3980 |
| article html file updated | 20 July 2022 01:19 CEST | Update | - |
| article html file updated | 14 February 2020 02:13 CET | Update | - |
| article html file updated | 29 October 2019 22:25 CET | Update | - |
| article html file updated | 24 October 2019 12:33 CEST | Original file | - |
| article pdf uploaded. | 24 October 2019 12:31 CEST | Updated version of record | https://www.mdpi.com/1996-1073/12/20/3980/pdf |
| article xml uploaded. | 24 October 2019 12:31 CEST | Update | https://www.mdpi.com/1996-1073/12/20/3980/xml |
| article xml file uploaded | 24 October 2019 12:31 CEST | Update | - |
| article pdf uploaded. | 19 October 2019 05:18 CEST | Version of Record | https://www.mdpi.com/1996-1073/12/20/3980/pdf-vor |
| article xml file uploaded | 19 October 2019 05:18 CEST | Original file | - |