| article html file updated | 29 August 2025 22:42 CEST | Update | https://www.mdpi.com/2313-433X/2/1/7 |
| article html file updated | 16 July 2022 01:46 CEST | Update | N/A |
| article html file updated | 7 February 2020 04:34 CET | Update | N/A |
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| article pdf uploaded. | 15 February 2016 11:37 CET | Version of Record | https://www.mdpi.com/2313-433X/2/1/7/pdf |
| article xml uploaded. | 15 February 2016 11:37 CET | Original file | https://www.mdpi.com/2313-433X/2/1/7/xml |
