| article html file updated | 24 December 2025 23:27 CET | Update | https://www.mdpi.com/2199-8531/6/4/158 |
| article html file updated | 1 September 2025 13:48 CEST | Update | N/A |
| article html file updated | 23 July 2022 01:36 CEST | Update | N/A |
| article html file updated | 19 November 2020 04:14 CET | Original file | N/A |
| article pdf uploaded. | 19 November 2020 04:12 CET | Updated version of record | https://www.mdpi.com/2199-8531/6/4/158/pdf |
| article xml uploaded. | 19 November 2020 04:12 CET | Update | https://www.mdpi.com/2199-8531/6/4/158/xml |
| article xml file uploaded | 19 November 2020 04:12 CET | Original file | N/A |
| article pdf uploaded. | 18 November 2020 14:24 CET | Version of Record | https://www.mdpi.com/2199-8531/6/4/158/pdf-vor |
