| article html file updated | 14 August 2026 13:22 CEST | Update | https://www.mdpi.com/1424-8220/17/4/691 |
| article html file updated | 8 February 2020 02:23 CET | Update | N/A |
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| article xml uploaded. | 28 March 2017 10:49 CEST | Update | https://www.mdpi.com/1424-8220/17/4/691/xml |
| article pdf uploaded. | 28 March 2017 10:49 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/4/691/pdf |
