| article html file updated | 13 August 2026 17:21 CEST | Update | https://www.mdpi.com/1424-8220/15/4/7913 |
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| article xml file uploaded | 12 May 2015 12:24 CEST | Original file | https://www.mdpi.com/1424-8220/15/4/7913/xml |
| article pdf uploaded. | 7 April 2015 13:39 CEST | Updated version of record | https://www.mdpi.com/1424-8220/15/4/7913/pdf |
| article pdf uploaded. | 1 April 2015 14:48 CEST | Version of Record | https://www.mdpi.com/1424-8220/15/4/7913/pdf-vor |
