| article html file updated | 15 August 2026 02:23 CEST | Update | https://www.mdpi.com/2411-5142/3/2/31 |
| article html file updated | 9 February 2020 19:17 CET | Update | N/A |
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| article html file updated | 28 May 2018 11:27 CEST | Original file | N/A |
| article pdf uploaded. | 28 May 2018 11:25 CEST | Version of Record | https://www.mdpi.com/2411-5142/3/2/31/pdf |
| article xml uploaded. | 28 May 2018 11:25 CEST | Update | https://www.mdpi.com/2411-5142/3/2/31/xml |
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