| article html file updated | 24 December 2025 22:50 CET | Update | https://www.mdpi.com/2309-608X/6/4/261 |
| article html file updated | 1 September 2025 12:22 CEST | Update | - |
| article html file updated | 22 August 2025 00:18 CEST | Update | - |
| article html file updated | 22 July 2022 23:15 CEST | Update | - |
| article html file updated | 2 November 2020 09:37 CET | Update | - |
| article pdf uploaded. | 2 November 2020 09:36 CET | Updated version of record | https://www.mdpi.com/2309-608X/6/4/261/pdf |
| article xml uploaded. | 2 November 2020 09:36 CET | Update | https://www.mdpi.com/2309-608X/6/4/261/xml |
| article xml file uploaded | 2 November 2020 09:36 CET | Update | - |
| article html file updated | 30 October 2020 14:07 CET | Original file | - |
| article pdf uploaded. | 30 October 2020 14:06 CET | Version of Record | https://www.mdpi.com/2309-608X/6/4/261/pdf-vor |
| article xml uploaded. | 30 October 2020 14:06 CET | Update | - |
| article xml file uploaded | 30 October 2020 14:06 CET | Original file | - |
