| article html file updated | 5 February 2020 20:30 CET | Update | https://www.mdpi.com/2079-4983/3/2/372 |
| article html file updated | 8 May 2019 17:57 CEST | Update | - |
| article html file updated | 25 March 2019 11:23 CET | Update | - |
| article html file updated | 17 June 2015 00:01 CEST | Update | - |
| article html file updated | 18 March 2014 09:43 CET | Update | - |
| article xml file uploaded | 18 March 2014 09:43 CET | Original file | https://www.mdpi.com/2079-4983/3/2/372/xml |
| article html file updated | 7 February 2013 12:26 CET | Update | - |
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| article html file updated | 29 January 2013 03:44 CET | Update | - |
| article html file updated | 26 January 2013 10:38 CET | Update | - |
| article html file updated | 23 January 2013 18:04 CET | Original file | - |
