| article html file updated | 14 August 2026 15:34 CEST | Update | https://www.mdpi.com/1660-3397/15/7/209 |
| article html file updated | 8 February 2020 09:48 CET | Update | N/A |
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| article xml uploaded. | 1 July 2017 09:31 CEST | Original file | https://www.mdpi.com/1660-3397/15/7/209/xml |
| article pdf uploaded. | 1 July 2017 09:31 CEST | Version of Record | https://www.mdpi.com/1660-3397/15/7/209/pdf |
