| article html file updated | 31 August 2025 03:46 CEST | Update | https://www.mdpi.com/1996-1073/12/21/4147 |
| article html file updated | 21 August 2025 23:07 CEST | Update | N/A |
| article html file updated | 14 February 2020 05:19 CET | Update | N/A |
| article html file updated | 15 November 2019 08:53 CET | Update | N/A |
| article html file updated | 31 October 2019 12:33 CET | Original file | N/A |
| article pdf uploaded. | 31 October 2019 12:31 CET | Updated version of record | https://www.mdpi.com/1996-1073/12/21/4147/pdf |
| article xml uploaded. | 31 October 2019 12:31 CET | Update | https://www.mdpi.com/1996-1073/12/21/4147/xml |
| article xml file uploaded | 31 October 2019 12:31 CET | Update | N/A |
| article pdf uploaded. | 30 October 2019 15:17 CET | Version of Record | https://www.mdpi.com/1996-1073/12/21/4147/pdf-vor |
| article xml file uploaded | 30 October 2019 15:17 CET | Original file | N/A |
