| article html file updated | 6 February 2020 02:58 CET | Update | https://www.mdpi.com/1422-0067/14/7/13826 |
| article html file updated | 8 May 2019 03:21 CEST | Update | - |
| article html file updated | 21 March 2019 00:38 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/1422-0067/14/7/13826/xml |
| article html file updated | 14 August 2013 10:04 CEST | Original file | - |
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| article pdf uploaded. | 3 July 2013 11:17 CEST | Version of Record | https://www.mdpi.com/1422-0067/14/7/13826/pdf |