| article html file updated | 6 February 2020 00:09 CET | Update | https://www.mdpi.com/1422-0067/14/1/2190 |
| article html file updated | 8 May 2019 09:28 CEST | Update | - |
| article html file updated | 20 March 2019 17:36 CET | Update | - |
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| article html file updated | 14 August 2014 12:06 CEST | Update | - |
| article xml file uploaded | 14 August 2014 12:06 CEST | Update | https://www.mdpi.com/1422-0067/14/1/2190/xml |
| article html file updated | 8 February 2013 13:00 CET | Original file | - |
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| article pdf uploaded. | 22 January 2013 11:08 CET | Version of Record | https://www.mdpi.com/1422-0067/14/1/2190/pdf |