| article html file updated | 30 August 2025 09:44 CEST | Update | https://www.mdpi.com/2227-7080/6/4/117 |
| article html file updated | 17 July 2022 14:14 CEST | Update | - |
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| article html file updated | 26 December 2018 03:58 CET | Update | - |
| article html file updated | 18 December 2018 11:03 CET | Original file | - |
| article pdf uploaded. | 18 December 2018 11:02 CET | Updated version of record | https://www.mdpi.com/2227-7080/6/4/117/pdf |
| article xml uploaded. | 18 December 2018 11:02 CET | Update | https://www.mdpi.com/2227-7080/6/4/117/xml |
| article xml file uploaded | 18 December 2018 11:02 CET | Update | - |
| article pdf uploaded. | 8 December 2018 09:26 CET | Version of Record | https://www.mdpi.com/2227-7080/6/4/117/pdf-vor |
| article xml file uploaded | 8 December 2018 09:26 CET | Original file | - |
