| article html file updated | 31 August 2025 03:30 CEST | Update | https://www.mdpi.com/1996-1073/12/21/4075 |
| article html file updated | 20 July 2022 00:55 CEST | Update | N/A |
| article html file updated | 14 February 2020 04:00 CET | Update | N/A |
| article html file updated | 15 November 2019 07:30 CET | Update | N/A |
| article html file updated | 29 October 2019 04:56 CET | Update | N/A |
| article xml uploaded. | 29 October 2019 04:55 CET | Update | https://www.mdpi.com/1996-1073/12/21/4075/xml |
| article xml uploaded. | 29 October 2019 04:55 CET | Update | N/A |
| article xml uploaded. | 29 October 2019 04:55 CET | Update | N/A |
| article xml uploaded. | 29 October 2019 04:55 CET | Update | N/A |
| article pdf uploaded. | 29 October 2019 04:55 CET | Updated version of record | https://www.mdpi.com/1996-1073/12/21/4075/pdf |
| article html file updated | 25 October 2019 13:09 CEST | Original file | N/A |
| article pdf uploaded. | 25 October 2019 13:07 CEST | Version of Record | https://www.mdpi.com/1996-1073/12/21/4075/pdf-vor |
| article xml uploaded. | 25 October 2019 13:07 CEST | Update | N/A |
| article xml file uploaded | 25 October 2019 13:07 CEST | Original file | N/A |
