| article html file updated | 28 September 2025 19:18 CEST | Update | https://www.mdpi.com/2072-4292/5/4/1856 |
| article html file updated | 6 February 2020 01:31 CET | Update | - |
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| article xml file uploaded | 14 August 2014 12:06 CEST | Update | https://www.mdpi.com/2072-4292/5/4/1856/xml |
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| article pdf uploaded. | 15 April 2013 17:13 CEST | Updated version of record | https://www.mdpi.com/2072-4292/5/4/1856/pdf |
| article pdf uploaded. | 15 April 2013 12:11 CEST | Updated version of record | https://www.mdpi.com/2072-4292/5/4/1856/pdf-vor |
| article pdf uploaded. | 15 April 2013 12:08 CEST | Version of Record | https://www.mdpi.com/2072-4292/5/4/1856/pdf-vor |
