| article html file updated | 16 August 2026 20:40 CEST | Update | https://www.mdpi.com/1996-1073/12/24/4668 |
| article html file updated | 24 December 2025 16:40 CET | Update | N/A |
| article html file updated | 31 August 2025 06:04 CEST | Update | N/A |
| article html file updated | 19 July 2022 22:10 CEST | Update | N/A |
| article html file updated | 14 February 2020 17:00 CET | Update | N/A |
| article html file updated | 31 December 2019 19:16 CET | Update | N/A |
| article html file updated | 11 December 2019 06:01 CET | Update | N/A |
| article pdf uploaded. | 11 December 2019 05:59 CET | Updated version of record | https://www.mdpi.com/1996-1073/12/24/4668/pdf |
| article xml uploaded. | 11 December 2019 05:59 CET | Update | https://www.mdpi.com/1996-1073/12/24/4668/xml |
| article xml file uploaded | 11 December 2019 05:59 CET | Update | N/A |
| article html file updated | 9 December 2019 07:49 CET | Original file | N/A |
| article pdf uploaded. | 9 December 2019 07:47 CET | Version of Record | https://www.mdpi.com/1996-1073/12/24/4668/pdf-vor |
| article xml uploaded. | 9 December 2019 07:47 CET | Update | N/A |
| article xml file uploaded | 9 December 2019 07:47 CET | Original file | N/A |
