| article html file updated | 30 August 2025 08:08 CEST | Update | https://www.mdpi.com/2226-4787/6/4/117 |
| article html file updated | 17 July 2022 05:59 CEST | Update | - |
| article html file updated | 10 February 2020 17:45 CET | Update | - |
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| article pdf uploaded. | 26 October 2018 04:58 CEST | Updated version of record | https://www.mdpi.com/2226-4787/6/4/117/pdf |
| article xml uploaded. | 26 October 2018 04:58 CEST | Update | https://www.mdpi.com/2226-4787/6/4/117/xml |
| article xml file uploaded | 26 October 2018 04:58 CEST | Update | - |
| article html file updated | 26 October 2018 04:57 CEST | Original file | - |
| article pdf uploaded. | 24 October 2018 15:41 CEST | Updated version of record | https://www.mdpi.com/2226-4787/6/4/117/pdf-vor |
| article pdf uploaded. | 24 October 2018 15:36 CEST | Version of Record | https://www.mdpi.com/2226-4787/6/4/117/pdf-vor |
| article xml file uploaded | 24 October 2018 15:36 CEST | Original file | - |
