| article html file updated | 14 August 2026 15:35 CEST | Update | https://www.mdpi.com/2075-4701/7/7/246 |
| article html file updated | 8 February 2020 09:52 CET | Update | N/A |
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| article pdf uploaded. | 4 July 2017 15:20 CEST | Updated version of record | https://www.mdpi.com/2075-4701/7/7/246/pdf |
| article pdf uploaded. | 2 July 2017 10:43 CEST | Version of Record | https://www.mdpi.com/2075-4701/7/7/246/pdf-vor |
