| article html file updated | 5 February 2020 21:41 CET | Update | https://www.mdpi.com/2076-3425/2/3/332 |
| article html file updated | 8 May 2019 15:25 CEST | Update | - |
| article html file updated | 20 March 2019 11:45 CET | Update | - |
| article html file updated | 17 June 2015 01:50 CEST | Update | - |
| article html file updated | 20 May 2014 08:32 CEST | Update | - |
| article xml file uploaded | 20 May 2014 08:32 CEST | Original file | https://www.mdpi.com/2076-3425/2/3/332/xml |
| article html file updated | 7 February 2013 14:33 CET | Update | - |
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| article html file updated | 29 January 2013 06:09 CET | Update | - |
| article html file updated | 27 January 2013 04:22 CET | Update | - |
| article html file updated | 24 January 2013 00:35 CET | Original file | - |
