| article html file updated | 14 August 2026 15:45 CEST | Update | https://www.mdpi.com/2078-1547/8/2/15 |
| article html file updated | 8 February 2020 10:29 CET | Update | N/A |
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| article pdf uploaded. | 8 July 2017 10:06 CEST | Updated version of record | https://www.mdpi.com/2078-1547/8/2/15/pdf-vor |
| article pdf uploaded. | 8 July 2017 10:05 CEST | Version of Record | https://www.mdpi.com/2078-1547/8/2/15/pdf-vor |
