| article html file updated | 31 August 2025 10:45 CEST | Update | https://www.mdpi.com/2227-9709/7/1/4 |
| article html file updated | 20 July 2022 19:17 CEST | Update | N/A |
| article html file updated | 15 February 2020 07:55 CET | Update | N/A |
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| article pdf uploaded. | 5 February 2020 11:39 CET | Version of Record | https://www.mdpi.com/2227-9709/7/1/4/pdf |
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