| article html file updated | 30 August 2025 07:32 CEST | Update | https://www.mdpi.com/2075-4450/9/4/134 |
| article html file updated | 17 July 2022 04:14 CEST | Update | N/A |
| article html file updated | 10 February 2020 14:20 CET | Update | N/A |
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| article html file updated | 26 December 2018 21:00 CET | Update | N/A |
| article html file updated | 5 October 2018 16:08 CEST | Original file | N/A |
| article pdf uploaded. | 5 October 2018 16:08 CEST | Version of Record | https://www.mdpi.com/2075-4450/9/4/134/pdf |
| article xml uploaded. | 5 October 2018 16:08 CEST | Update | https://www.mdpi.com/2075-4450/9/4/134/xml |
| article xml file uploaded | 5 October 2018 16:08 CEST | Original file | N/A |
