| article html file updated | 13 August 2026 18:57 CEST | Update | https://www.mdpi.com/2078-2489/6/2/152 |
| article html file updated | 6 February 2020 18:00 CET | Update | N/A |
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| article xml file uploaded | 30 June 2015 03:11 CEST | Original file | https://www.mdpi.com/2078-2489/6/2/152/xml |
| article pdf uploaded. | 27 April 2015 16:00 CEST | Updated version of record | https://www.mdpi.com/2078-2489/6/2/152/pdf |
| article pdf uploaded. | 24 April 2015 09:21 CEST | Version of Record | https://www.mdpi.com/2078-2489/6/2/152/pdf-vor |
