| article html file updated | 31 August 2025 05:54 CEST | Update | https://www.mdpi.com/2227-7102/9/4/288 |
| article html file updated | 19 July 2022 22:20 CEST | Update | N/A |
| article html file updated | 14 February 2020 16:26 CET | Update | N/A |
| article html file updated | 10 December 2019 10:19 CET | Original file | N/A |
| article pdf uploaded. | 10 December 2019 09:22 CET | Updated version of record | https://www.mdpi.com/2227-7102/9/4/288/pdf |
| article xml uploaded. | 10 December 2019 09:22 CET | Update | https://www.mdpi.com/2227-7102/9/4/288/xml |
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| article pdf uploaded. | 6 December 2019 10:24 CET | Version of Record | https://www.mdpi.com/2227-7102/9/4/288/pdf-vor |
| article xml file uploaded | 6 December 2019 10:24 CET | Original file | N/A |
