| article html file updated | 31 August 2025 03:48 CEST | Update | https://www.mdpi.com/2079-6382/8/4/206 |
| article html file updated | 21 August 2025 23:08 CEST | Update | N/A |
| article html file updated | 14 February 2020 05:27 CET | Update | N/A |
| article html file updated | 30 December 2019 10:19 CET | Update | N/A |
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| article pdf uploaded. | 31 October 2019 08:33 CET | Version of Record | https://www.mdpi.com/2079-6382/8/4/206/pdf |
| article xml uploaded. | 31 October 2019 08:33 CET | Update | https://www.mdpi.com/2079-6382/8/4/206/xml |
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