| article html file updated | 15 August 2026 15:01 CEST | Update | https://www.mdpi.com/2076-0787/8/1/15 |
| article html file updated | 11 February 2020 09:52 CET | Update | N/A |
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| article html file updated | 18 January 2019 08:44 CET | Original file | N/A |
| article pdf uploaded. | 18 January 2019 08:41 CET | Version of Record | https://www.mdpi.com/2076-0787/8/1/15/pdf |
| article xml uploaded. | 18 January 2019 08:41 CET | Update | https://www.mdpi.com/2076-0787/8/1/15/xml |
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