| article html file updated | 6 February 2020 01:39 CET | Update | https://www.mdpi.com/1424-8220/13/4/5403 |
| article html file updated | 8 January 2020 22:02 CET | Update | - |
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| article xml file uploaded | 5 June 2013 12:04 CEST | Original file | https://www.mdpi.com/1424-8220/13/4/5403/xml |
| article pdf uploaded. | 22 April 2013 13:38 CEST | Version of Record | https://www.mdpi.com/1424-8220/13/4/5403/pdf |
