| article html file updated | 24 December 2025 16:21 CET | Update | https://www.mdpi.com/2227-9091/7/4/114 |
| article html file updated | 31 August 2025 04:14 CEST | Update | - |
| article html file updated | 21 August 2025 23:14 CEST | Update | - |
| article html file updated | 14 February 2020 07:34 CET | Update | - |
| article html file updated | 31 December 2019 00:17 CET | Update | - |
| article html file updated | 8 November 2019 04:30 CET | Update | - |
| article pdf uploaded. | 8 November 2019 04:28 CET | Updated version of record | https://www.mdpi.com/2227-9091/7/4/114/pdf |
| article xml uploaded. | 8 November 2019 04:28 CET | Update | https://www.mdpi.com/2227-9091/7/4/114/xml |
| article xml file uploaded | 8 November 2019 04:28 CET | Update | - |
| article html file updated | 7 November 2019 11:32 CET | Original file | - |
| article pdf uploaded. | 7 November 2019 11:30 CET | Version of Record | https://www.mdpi.com/2227-9091/7/4/114/pdf-vor |
| article xml uploaded. | 7 November 2019 11:30 CET | Update | - |
| article xml file uploaded | 7 November 2019 11:30 CET | Original file | - |
