| article html file updated | 5 February 2020 23:14 CET | Update | https://www.mdpi.com/2072-4292/4/12/3857 |
| article html file updated | 8 May 2019 11:32 CEST | Update | - |
| article html file updated | 20 March 2019 15:32 CET | Update | - |
| article html file updated | 17 June 2015 04:31 CEST | Update | - |
| article html file updated | 14 August 2014 12:05 CEST | Update | - |
| article xml file uploaded | 14 August 2014 12:05 CEST | Update | https://www.mdpi.com/2072-4292/4/12/3857/xml |
| article html file updated | 7 February 2013 17:10 CET | Update | - |
| article html file updated | 24 January 2013 10:10 CET | Update | - |
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| article xml file uploaded | 16 January 2013 15:10 CET | Update | - |
| article html file updated | 16 January 2013 13:57 CET | Original file | - |
| article xml file uploaded | 16 January 2013 13:56 CET | Original file | - |