| article html file updated | 31 August 2025 06:25 CEST | Update | https://www.mdpi.com/2218-6581/8/4/103 |
| article html file updated | 19 July 2022 21:49 CEST | Update | - |
| article html file updated | 14 February 2020 18:13 CET | Update | - |
| article html file updated | 31 December 2019 01:02 CET | Update | - |
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| article pdf uploaded. | 18 December 2019 09:38 CET | Updated version of record | https://www.mdpi.com/2218-6581/8/4/103/pdf |
| article xml uploaded. | 18 December 2019 09:38 CET | Update | https://www.mdpi.com/2218-6581/8/4/103/xml |
| article xml file uploaded | 18 December 2019 09:38 CET | Update | - |
| article pdf uploaded. | 12 December 2019 14:08 CET | Version of Record | https://www.mdpi.com/2218-6581/8/4/103/pdf-vor |
| article xml file uploaded | 12 December 2019 14:08 CET | Original file | - |
