| article html file updated | 31 August 2025 03:20 CEST | Update | https://www.mdpi.com/1996-1944/12/21/3470 |
| article html file updated | 20 July 2022 01:07 CEST | Update | N/A |
| article html file updated | 14 February 2020 03:08 CET | Update | N/A |
| article html file updated | 15 November 2019 10:02 CET | Update | N/A |
| article html file updated | 7 November 2019 05:12 CET | Update | N/A |
| article xml uploaded. | 7 November 2019 05:10 CET | Update | https://www.mdpi.com/1996-1944/12/21/3470/xml |
| article xml uploaded. | 7 November 2019 05:10 CET | Update | N/A |
| article xml uploaded. | 7 November 2019 05:10 CET | Update | N/A |
| article pdf uploaded. | 7 November 2019 05:10 CET | Updated version of record | https://www.mdpi.com/1996-1944/12/21/3470/pdf |
| article html file updated | 23 October 2019 11:36 CEST | Original file | N/A |
| article pdf uploaded. | 23 October 2019 11:34 CEST | Version of Record | https://www.mdpi.com/1996-1944/12/21/3470/pdf-vor |
| article xml uploaded. | 23 October 2019 11:34 CEST | Update | N/A |
| article xml file uploaded | 23 October 2019 11:34 CEST | Original file | N/A |
