| article html file updated | 14 August 2026 17:28 CEST | Update | https://www.mdpi.com/1424-8220/17/9/2102 |
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| article xml uploaded. | 13 September 2017 13:56 CEST | Original file | https://www.mdpi.com/1424-8220/17/9/2102/xml |
| article pdf uploaded. | 13 September 2017 13:56 CEST | Updated version of record | https://www.mdpi.com/1424-8220/17/9/2102/pdf |
| article pdf uploaded. | 13 September 2017 12:16 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/9/2102/pdf-vor |
