| article html file updated | 6 February 2020 02:49 CET | Update | https://www.mdpi.com/1422-0067/14/7/13137 |
| article html file updated | 8 May 2019 03:38 CEST | Update | - |
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| article html file updated | 17 June 2015 10:34 CEST | Update | - |
| article html file updated | 14 August 2013 09:53 CEST | Original file | - |
| article xml file uploaded | 14 August 2013 09:52 CEST | Original file | https://www.mdpi.com/1422-0067/14/7/13137/xml |
| article pdf uploaded. | 25 June 2013 14:15 CEST | Version of Record | https://www.mdpi.com/1422-0067/14/7/13137/pdf |
