| article html file updated | 5 February 2020 14:22 CET | Update | https://www.mdpi.com/1660-3397/8/5/1526 |
| article html file updated | 9 May 2019 06:40 CEST | Update | - |
| article html file updated | 20 March 2019 00:06 CET | Update | - |
| article html file updated | 16 June 2015 09:36 CEST | Update | - |
| article html file updated | 14 August 2014 12:06 CEST | Update | - |
| article xml file uploaded | 14 August 2014 12:06 CEST | Original file | https://www.mdpi.com/1660-3397/8/5/1526/xml |
| article html file updated | 6 February 2013 17:24 CET | Update | - |
| article html file updated | 5 February 2013 21:33 CET | Update | - |
| article html file updated | 28 January 2013 19:05 CET | Update | - |
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| article html file updated | 21 January 2013 23:40 CET | Update | - |
| article html file updated | 18 January 2013 05:55 CET | Original file | - |