| article html file updated | 6 February 2020 00:03 CET | Update | https://www.mdpi.com/1422-0067/14/1/1890 |
| article html file updated | 8 May 2019 09:41 CEST | Update | - |
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| article html file updated | 17 June 2015 05:36 CEST | Update | - |
| article html file updated | 8 February 2013 12:52 CET | Original file | - |
| article xml file uploaded | 8 February 2013 12:51 CET | Original file | https://www.mdpi.com/1422-0067/14/1/1890/xml |
| article pdf uploaded. | 17 January 2013 13:26 CET | Version of Record | https://www.mdpi.com/1422-0067/14/1/1890/pdf |
