| article html file updated | 5 February 2020 14:47 CET | Update | https://www.mdpi.com/1660-4601/7/6/2607 |
| article html file updated | 9 May 2019 05:49 CEST | Update | - |
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| article html file updated | 16 June 2015 10:15 CEST | Update | - |
| article html file updated | 14 August 2014 11:42 CEST | Update | - |
| article xml file uploaded | 14 August 2014 11:42 CEST | Update | https://www.mdpi.com/1660-4601/7/6/2607/xml |
| article html file updated | 14 August 2014 11:21 CEST | Update | - |
| article xml file uploaded | 14 August 2014 11:21 CEST | Original file | - |
| article html file updated | 6 February 2013 17:49 CET | Update | - |
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| article html file updated | 28 January 2013 19:28 CET | Update | - |
| article html file updated | 25 January 2013 22:36 CET | Update | - |
| article html file updated | 22 January 2013 01:04 CET | Update | - |
| article html file updated | 18 January 2013 07:17 CET | Original file | - |