| article html file updated | 1 September 2025 15:27 CEST | Update | https://www.mdpi.com/2309-608X/6/4/346 |
| article html file updated | 23 July 2022 04:12 CEST | Update | - |
| article html file updated | 16 December 2020 09:32 CET | Update | - |
| article pdf uploaded. | 16 December 2020 09:29 CET | Updated version of record | https://www.mdpi.com/2309-608X/6/4/346/pdf |
| article xml uploaded. | 16 December 2020 09:29 CET | Update | https://www.mdpi.com/2309-608X/6/4/346/xml |
| article xml file uploaded | 16 December 2020 09:29 CET | Update | - |
| article html file updated | 8 December 2020 06:29 CET | Original file | - |
| article pdf uploaded. | 8 December 2020 06:28 CET | Version of Record | https://www.mdpi.com/2309-608X/6/4/346/pdf-vor |
| article xml uploaded. | 8 December 2020 06:28 CET | Update | - |
| article xml file uploaded | 8 December 2020 06:28 CET | Original file | - |
