| article html file updated | 1 September 2025 00:04 CEST | Update | https://www.mdpi.com/2313-433X/6/6/50 |
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| article html file updated | 6 July 2020 06:11 CEST | Update | - |
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| article pdf uploaded. | 29 June 2020 05:57 CEST | Updated version of record | https://www.mdpi.com/2313-433X/6/6/50/pdf |
| article xml uploaded. | 29 June 2020 05:57 CEST | Update | https://www.mdpi.com/2313-433X/6/6/50/xml |
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