| article html file updated | 1 September 2025 12:35 CEST | Update | https://www.mdpi.com/2227-9040/8/4/108 |
| article html file updated | 22 July 2022 23:36 CEST | Update | - |
| article html file updated | 1 December 2020 05:48 CET | Update | - |
| article pdf uploaded. | 1 December 2020 05:46 CET | Updated version of record | https://www.mdpi.com/2227-9040/8/4/108/pdf |
| article xml uploaded. | 1 December 2020 05:46 CET | Update | https://www.mdpi.com/2227-9040/8/4/108/xml |
| article xml file uploaded | 1 December 2020 05:46 CET | Update | - |
| article html file updated | 3 November 2020 12:47 CET | Update | - |
| article pdf uploaded. | 3 November 2020 12:46 CET | Updated version of record | https://www.mdpi.com/2227-9040/8/4/108/pdf-vor |
| article xml uploaded. | 3 November 2020 12:46 CET | Update | - |
| article xml file uploaded | 3 November 2020 12:46 CET | Update | - |
| article html file updated | 3 November 2020 06:30 CET | Original file | - |
| article supplementary file uploaded. | 3 November 2020 06:28 CET | - | https://www.mdpi.com/2227-9040/8/4/108#supplementary |
| article pdf uploaded. | 3 November 2020 06:28 CET | Version of Record | https://www.mdpi.com/2227-9040/8/4/108/pdf-vor |
| article xml uploaded. | 3 November 2020 06:28 CET | Update | - |
| article xml file uploaded | 3 November 2020 06:28 CET | Original file | - |
